diff --git a/src/Fl.cxx b/src/Fl.cxx
index 8bfc6b697..560a26028 100644
--- a/src/Fl.cxx
+++ b/src/Fl.cxx
@@ -220,7 +220,7 @@ int Fl::event_inside(const Fl_Widget *o) /*const*/ {
 
 #elif defined(__APPLE__)
 
-// implementation in Fl_mac.cxx
+// implementation in Fl_cocoa.mm (was Fl_mac.cxx)
 
 #else
 
diff --git a/src/Fl_x.cxx b/src/Fl_x.cxx
index 17a65fb3c..d0067a200 100644
--- a/src/Fl_x.cxx
+++ b/src/Fl_x.cxx
@@ -19,7 +19,7 @@
 #ifdef WIN32
 //#  include "Fl_win32.cxx"
 #elif defined(__APPLE__)
-//#  include "Fl_mac.cxx"
+//#  include "Fl_mac.cxx"	// now Fl_cocoa.mm
 #elif !defined(FL_DOXYGEN)
 
 #  define CONSOLIDATE_MOTION 1