diff --git a/ext/pathname/pathname.c b/ext/pathname/pathname.c
index b4374c7301..9194d0e010 100644
--- a/ext/pathname/pathname.c
+++ b/ext/pathname/pathname.c
@@ -1083,7 +1083,7 @@ s_glob_i(RB_BLOCK_CALL_FUNC_ARGLIST(elt, klass))
 /*
  * Returns or yields Pathname objects.
  *
- *  Pathname.glob("config/*.rb")
+ *  Pathname.glob("config/?*.rb")
  *	#=> [#<Pathname:config/environment.rb>, #<Pathname:config/routes.rb>, ..]
  *
  * See Dir.glob.