diff --git a/Mac/Python/macguesstabsize.c b/Mac/Python/macguesstabsize.c
index 70314f6bbc27..ec4af3d69958 100644
--- a/Mac/Python/macguesstabsize.c
+++ b/Mac/Python/macguesstabsize.c
@@ -5,7 +5,7 @@
 
 #include <string.h>
 
-/* Interface used by tokenizer.c */
+/* Interface used by parsetok.c */
 
 guesstabsize(path)
 	char *path;