Fix misleading comment reported in issue #1917.
diff --git a/Modules/config.c.in b/Modules/config.c.in
index 8c25eea..1ef1e66 100644
--- a/Modules/config.c.in
+++ b/Modules/config.c.in
@@ -43,7 +43,7 @@
 	/* This lives in Python/Python-ast.c */
 	{"_ast", init_ast},
 
-	/* This lives in Python/_types.c */
+	/* This lives in Modules/_typesmodule.c */
 	{"_types", init_types},
 
 	/* These entries are here for sys.builtin_module_names */