diff --git a/src/osx/utils_osx.cpp b/src/osx/utils_osx.cpp
index c7adb41811..94b0444ebb 100644
--- a/src/osx/utils_osx.cpp
+++ b/src/osx/utils_osx.cpp
@@ -61,6 +61,7 @@ bool wxCheckForInterrupt(wxWindow *WXUNUSED(wnd))
 // Return true if we have a colour display
 bool wxColourDisplay()
 {
+    // always the case on OSX
     return true;
 }