diff --git a/gl/lib/mgetgroups.c b/gl/lib/mgetgroups.c
index 8552f2639..13dbc8391 100644
--- a/gl/lib/mgetgroups.c
+++ b/gl/lib/mgetgroups.c
@@ -1,4 +1,4 @@
-/* getugroups.c -- return a list of the groups a user is in
+/* mgetgroups.c -- return a list of the groups a user is in
 
    Copyright (C) 2007 Free Software Foundation.