diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index b3b8dc1c99..08c4148214 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/default/Configuration.h b/Marlin/src/config/default/Configuration.h
index b3b8dc1c99..08c4148214 100644
--- a/Marlin/src/config/default/Configuration.h
+++ b/Marlin/src/config/default/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/AlephObjects/TAZ4/Configuration.h b/Marlin/src/config/examples/AlephObjects/TAZ4/Configuration.h
index 73ebca84ca..443ea86452 100644
--- a/Marlin/src/config/examples/AlephObjects/TAZ4/Configuration.h
+++ b/Marlin/src/config/examples/AlephObjects/TAZ4/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/AliExpress/CL-260/Configuration.h b/Marlin/src/config/examples/AliExpress/CL-260/Configuration.h
index 56745f364a..bd4b02bc5a 100644
--- a/Marlin/src/config/examples/AliExpress/CL-260/Configuration.h
+++ b/Marlin/src/config/examples/AliExpress/CL-260/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Anet/A6/Configuration.h b/Marlin/src/config/examples/Anet/A6/Configuration.h
index b23194476c..f2a3df5d74 100644
--- a/Marlin/src/config/examples/Anet/A6/Configuration.h
+++ b/Marlin/src/config/examples/Anet/A6/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Anet/A8/Configuration.h b/Marlin/src/config/examples/Anet/A8/Configuration.h
index fbd79e19fc..dbcf8ba0bc 100644
--- a/Marlin/src/config/examples/Anet/A8/Configuration.h
+++ b/Marlin/src/config/examples/Anet/A8/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Azteeg/X5GT/Configuration.h b/Marlin/src/config/examples/Azteeg/X5GT/Configuration.h
index bde7f65b10..635479283b 100644
--- a/Marlin/src/config/examples/Azteeg/X5GT/Configuration.h
+++ b/Marlin/src/config/examples/Azteeg/X5GT/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration.h b/Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration.h
index 90e3349ca7..4a323e80e0 100644
--- a/Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration.h
+++ b/Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/BIBO/TouchX/default/Configuration.h b/Marlin/src/config/examples/BIBO/TouchX/default/Configuration.h
index 3681bd44ff..73a0ed8d71 100644
--- a/Marlin/src/config/examples/BIBO/TouchX/default/Configuration.h
+++ b/Marlin/src/config/examples/BIBO/TouchX/default/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/BQ/Hephestos/Configuration.h b/Marlin/src/config/examples/BQ/Hephestos/Configuration.h
index 9ed041ab3d..ec5a55a403 100644
--- a/Marlin/src/config/examples/BQ/Hephestos/Configuration.h
+++ b/Marlin/src/config/examples/BQ/Hephestos/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/BQ/Hephestos_2/Configuration.h b/Marlin/src/config/examples/BQ/Hephestos_2/Configuration.h
index dab11f0f91..ac5c7f3486 100644
--- a/Marlin/src/config/examples/BQ/Hephestos_2/Configuration.h
+++ b/Marlin/src/config/examples/BQ/Hephestos_2/Configuration.h
@@ -108,7 +108,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/BQ/WITBOX/Configuration.h b/Marlin/src/config/examples/BQ/WITBOX/Configuration.h
index 8b49d048a2..b6ec787693 100644
--- a/Marlin/src/config/examples/BQ/WITBOX/Configuration.h
+++ b/Marlin/src/config/examples/BQ/WITBOX/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Cartesio/Configuration.h b/Marlin/src/config/examples/Cartesio/Configuration.h
index 01835a4f0f..db6f602660 100644
--- a/Marlin/src/config/examples/Cartesio/Configuration.h
+++ b/Marlin/src/config/examples/Cartesio/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Creality/CR-10/Configuration.h b/Marlin/src/config/examples/Creality/CR-10/Configuration.h
index 181111e989..584dd627c6 100755
--- a/Marlin/src/config/examples/Creality/CR-10/Configuration.h
+++ b/Marlin/src/config/examples/Creality/CR-10/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Felix/Configuration.h b/Marlin/src/config/examples/Felix/Configuration.h
index 9888a23566..5278b2188e 100644
--- a/Marlin/src/config/examples/Felix/Configuration.h
+++ b/Marlin/src/config/examples/Felix/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Felix/DUAL/Configuration.h b/Marlin/src/config/examples/Felix/DUAL/Configuration.h
index 0f667523d2..a3663b8232 100644
--- a/Marlin/src/config/examples/Felix/DUAL/Configuration.h
+++ b/Marlin/src/config/examples/Felix/DUAL/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/FolgerTech/i3-2020/Configuration.h b/Marlin/src/config/examples/FolgerTech/i3-2020/Configuration.h
index bc57446780..2fc6ee55f3 100644
--- a/Marlin/src/config/examples/FolgerTech/i3-2020/Configuration.h
+++ b/Marlin/src/config/examples/FolgerTech/i3-2020/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Geeetech/GT2560/Configuration.h b/Marlin/src/config/examples/Geeetech/GT2560/Configuration.h
index d66b519e5e..ed7466da03 100644
--- a/Marlin/src/config/examples/Geeetech/GT2560/Configuration.h
+++ b/Marlin/src/config/examples/Geeetech/GT2560/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Geeetech/I3_Pro_X-GT2560/Configuration.h b/Marlin/src/config/examples/Geeetech/I3_Pro_X-GT2560/Configuration.h
index 7f658a8465..35bf81dfc5 100644
--- a/Marlin/src/config/examples/Geeetech/I3_Pro_X-GT2560/Configuration.h
+++ b/Marlin/src/config/examples/Geeetech/I3_Pro_X-GT2560/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/bltouch/Configuration.h b/Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/bltouch/Configuration.h
index 5c4672cb24..ecd3f4a1e8 100644
--- a/Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/bltouch/Configuration.h	
+++ b/Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/bltouch/Configuration.h	
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/noprobe/Configuration.h b/Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/noprobe/Configuration.h
index 6a0ea1e8b9..02120488a1 100644
--- a/Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/noprobe/Configuration.h	
+++ b/Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/noprobe/Configuration.h	
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Infitary/i3-M508/Configuration.h b/Marlin/src/config/examples/Infitary/i3-M508/Configuration.h
index 01d7b036d9..bdbdd76b25 100644
--- a/Marlin/src/config/examples/Infitary/i3-M508/Configuration.h
+++ b/Marlin/src/config/examples/Infitary/i3-M508/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/JGAurora/A5/Configuration.h b/Marlin/src/config/examples/JGAurora/A5/Configuration.h
index ee582782a3..dd077bc0cf 100644
--- a/Marlin/src/config/examples/JGAurora/A5/Configuration.h
+++ b/Marlin/src/config/examples/JGAurora/A5/Configuration.h
@@ -114,7 +114,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/MakerParts/Configuration.h b/Marlin/src/config/examples/MakerParts/Configuration.h
index 54c56a752e..75cd388295 100644
--- a/Marlin/src/config/examples/MakerParts/Configuration.h
+++ b/Marlin/src/config/examples/MakerParts/Configuration.h
@@ -129,7 +129,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Malyan/M150/Configuration.h b/Marlin/src/config/examples/Malyan/M150/Configuration.h
index d5b011d0fa..e22748558e 100644
--- a/Marlin/src/config/examples/Malyan/M150/Configuration.h
+++ b/Marlin/src/config/examples/Malyan/M150/Configuration.h
@@ -114,7 +114,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Malyan/M200/Configuration.h b/Marlin/src/config/examples/Malyan/M200/Configuration.h
index f33f6a0644..c1d508ac9a 100644
--- a/Marlin/src/config/examples/Malyan/M200/Configuration.h
+++ b/Marlin/src/config/examples/Malyan/M200/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Micromake/C1/basic/Configuration.h b/Marlin/src/config/examples/Micromake/C1/basic/Configuration.h
index cb0024891d..554a065907 100644
--- a/Marlin/src/config/examples/Micromake/C1/basic/Configuration.h
+++ b/Marlin/src/config/examples/Micromake/C1/basic/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Micromake/C1/enhanced/Configuration.h b/Marlin/src/config/examples/Micromake/C1/enhanced/Configuration.h
index 0130dc48e6..470209cbf7 100644
--- a/Marlin/src/config/examples/Micromake/C1/enhanced/Configuration.h
+++ b/Marlin/src/config/examples/Micromake/C1/enhanced/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Mks/Sbase/Configuration.h b/Marlin/src/config/examples/Mks/Sbase/Configuration.h
index 1201952f1b..8a04371d97 100644
--- a/Marlin/src/config/examples/Mks/Sbase/Configuration.h
+++ b/Marlin/src/config/examples/Mks/Sbase/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/RepRapWorld/Megatronics/Configuration.h b/Marlin/src/config/examples/RepRapWorld/Megatronics/Configuration.h
index 975281b1b6..320201395d 100644
--- a/Marlin/src/config/examples/RepRapWorld/Megatronics/Configuration.h
+++ b/Marlin/src/config/examples/RepRapWorld/Megatronics/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/RigidBot/Configuration.h b/Marlin/src/config/examples/RigidBot/Configuration.h
index be5ef3e98f..59da245b61 100644
--- a/Marlin/src/config/examples/RigidBot/Configuration.h
+++ b/Marlin/src/config/examples/RigidBot/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/SCARA/Configuration.h b/Marlin/src/config/examples/SCARA/Configuration.h
index e00ae3bbaa..7d4091b1e9 100644
--- a/Marlin/src/config/examples/SCARA/Configuration.h
+++ b/Marlin/src/config/examples/SCARA/Configuration.h
@@ -139,7 +139,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/STM32F10/Configuration.h b/Marlin/src/config/examples/STM32F10/Configuration.h
index 2d4a43f465..e2ca0ccc41 100644
--- a/Marlin/src/config/examples/STM32F10/Configuration.h
+++ b/Marlin/src/config/examples/STM32F10/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Sanguinololu/Configuration.h b/Marlin/src/config/examples/Sanguinololu/Configuration.h
index 73fae70b02..b26b6adc4f 100644
--- a/Marlin/src/config/examples/Sanguinololu/Configuration.h
+++ b/Marlin/src/config/examples/Sanguinololu/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/TheBorg/Configuration.h b/Marlin/src/config/examples/TheBorg/Configuration.h
index ef3cdedb39..b4b25d54dd 100644
--- a/Marlin/src/config/examples/TheBorg/Configuration.h
+++ b/Marlin/src/config/examples/TheBorg/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/TinyBoy2/Configuration.h b/Marlin/src/config/examples/TinyBoy2/Configuration.h
index fa2f292a96..0378ed8f45 100644
--- a/Marlin/src/config/examples/TinyBoy2/Configuration.h
+++ b/Marlin/src/config/examples/TinyBoy2/Configuration.h
@@ -125,7 +125,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Tronxy/X5S/Configuration.h b/Marlin/src/config/examples/Tronxy/X5S/Configuration.h
index c97b346efb..86dd52dff0 100644
--- a/Marlin/src/config/examples/Tronxy/X5S/Configuration.h
+++ b/Marlin/src/config/examples/Tronxy/X5S/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Velleman/K8200/Configuration.h b/Marlin/src/config/examples/Velleman/K8200/Configuration.h
index 463c8dba33..ce3dbe7b07 100644
--- a/Marlin/src/config/examples/Velleman/K8200/Configuration.h
+++ b/Marlin/src/config/examples/Velleman/K8200/Configuration.h
@@ -125,7 +125,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Velleman/K8400/Configuration.h b/Marlin/src/config/examples/Velleman/K8400/Configuration.h
index 3f0ca51503..3841350fad 100644
--- a/Marlin/src/config/examples/Velleman/K8400/Configuration.h
+++ b/Marlin/src/config/examples/Velleman/K8400/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Velleman/K8400/Dual-head/Configuration.h b/Marlin/src/config/examples/Velleman/K8400/Dual-head/Configuration.h
index 7dbe74aa47..5bc9aa88d3 100644
--- a/Marlin/src/config/examples/Velleman/K8400/Dual-head/Configuration.h
+++ b/Marlin/src/config/examples/Velleman/K8400/Dual-head/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/adafruit/ST7565/Configuration.h b/Marlin/src/config/examples/adafruit/ST7565/Configuration.h
index 80b8fb9365..b822d6c36d 100644
--- a/Marlin/src/config/examples/adafruit/ST7565/Configuration.h
+++ b/Marlin/src/config/examples/adafruit/ST7565/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration.h b/Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration.h
index e0812e38ea..0fa3f617bb 100644
--- a/Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration.h
+++ b/Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration.h b/Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration.h
index f9589fd54e..68ae496330 100644
--- a/Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration.h
+++ b/Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/delta/generic/Configuration.h b/Marlin/src/config/examples/delta/generic/Configuration.h
index 0cdb0d854b..274b716e0c 100644
--- a/Marlin/src/config/examples/delta/generic/Configuration.h
+++ b/Marlin/src/config/examples/delta/generic/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/delta/kossel_mini/Configuration.h b/Marlin/src/config/examples/delta/kossel_mini/Configuration.h
index 324739d6fb..e882dcffef 100644
--- a/Marlin/src/config/examples/delta/kossel_mini/Configuration.h
+++ b/Marlin/src/config/examples/delta/kossel_mini/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/delta/kossel_pro/Configuration.h b/Marlin/src/config/examples/delta/kossel_pro/Configuration.h
index 31584bcb3b..305df19783 100644
--- a/Marlin/src/config/examples/delta/kossel_pro/Configuration.h
+++ b/Marlin/src/config/examples/delta/kossel_pro/Configuration.h
@@ -113,7 +113,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/delta/kossel_xl/Configuration.h b/Marlin/src/config/examples/delta/kossel_xl/Configuration.h
index ae71210b6c..bdf9317206 100644
--- a/Marlin/src/config/examples/delta/kossel_xl/Configuration.h
+++ b/Marlin/src/config/examples/delta/kossel_xl/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/gCreate/gMax1.5+/Configuration.h b/Marlin/src/config/examples/gCreate/gMax1.5+/Configuration.h
index 6f8e1ec4f9..e6e46ed4cd 100644
--- a/Marlin/src/config/examples/gCreate/gMax1.5+/Configuration.h
+++ b/Marlin/src/config/examples/gCreate/gMax1.5+/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/makibox/Configuration.h b/Marlin/src/config/examples/makibox/Configuration.h
index 232bc3f55f..cb9675b1a9 100644
--- a/Marlin/src/config/examples/makibox/Configuration.h
+++ b/Marlin/src/config/examples/makibox/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/stm32f103ret6/Configuration.h b/Marlin/src/config/examples/stm32f103ret6/Configuration.h
index 40e9a85a17..cb99eb4e81 100644
--- a/Marlin/src/config/examples/stm32f103ret6/Configuration.h
+++ b/Marlin/src/config/examples/stm32f103ret6/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/tvrrug/Round2/Configuration.h b/Marlin/src/config/examples/tvrrug/Round2/Configuration.h
index 1b18cb319b..c1c3b25774 100644
--- a/Marlin/src/config/examples/tvrrug/Round2/Configuration.h
+++ b/Marlin/src/config/examples/tvrrug/Round2/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/wt150/Configuration.h b/Marlin/src/config/examples/wt150/Configuration.h
index d5e5ecff67..7594dd70fb 100644
--- a/Marlin/src/config/examples/wt150/Configuration.h
+++ b/Marlin/src/config/examples/wt150/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */