diff --git a/src/os_mac.h b/src/os_mac.h
index 5ef7310..0641991 100644
--- a/src/os_mac.h
+++ b/src/os_mac.h
@@ -144,8 +144,8 @@
 				       comment */
 
 
-#undef  USE_FNAME_CASE		/* So that :e os_Mac.c, :w, save back the file
-				   as os_mac.c */
+#undef  USE_FNAME_CASE		/* TODO: make :e os_Mac.c, :w, save back the
+				   file as os_mac.c */
 #define BINARY_FILE_IO
 #define EOL_DEFAULT EOL_MAC
 #ifndef MACOS_X_UNIX		/* I hope that switching these two lines */
@@ -170,7 +170,6 @@
 # define HAVE_STRFTIME
 #endif
 
-
 /*
  * Names for the EXRC, HELP and temporary files.
  * Some of these may have been defined in the makefile.