diff --git a/docs/development/development-environment/macos/README.md b/docs/development/development-environment/macos/README.md
index c8e630abaecf..abdb9afce04f 100644
--- a/docs/development/development-environment/macos/README.md
+++ b/docs/development/development-environment/macos/README.md
@@ -6,7 +6,7 @@ description: OpenProject development setup on Mac OS
 keywords: development setup macos
 ---
 
-# OpenProject development setup on Mac OS X
+# OpenProject development setup on macOS
 
 To develop OpenProject a setup similar to that for using OpenProject in production is needed.