diff --git a/Marlin/example_configurations/Hephestos_2/readme.md b/Marlin/example_configurations/Hephestos_2/README.md
similarity index 100%
rename from Marlin/example_configurations/Hephestos_2/readme.md
rename to Marlin/example_configurations/Hephestos_2/README.md
diff --git a/Marlin/example_configurations/K8200/readme.md b/Marlin/example_configurations/K8200/README.md
similarity index 100%
rename from Marlin/example_configurations/K8200/readme.md
rename to Marlin/example_configurations/K8200/README.md
diff --git a/Marlin/example_configurations/delta/kossel_pro/readme.md b/Marlin/example_configurations/delta/kossel_pro/README.md
similarity index 100%
rename from Marlin/example_configurations/delta/kossel_pro/readme.md
rename to Marlin/example_configurations/delta/kossel_pro/README.md