diff --git a/Python/ast.c b/Python/ast.c
index ace4950..27c3efa 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -2765,7 +2765,7 @@
 static excepthandler_ty
 ast_for_except_clause(struct compiling *c, const node *exc, node *body)
 {
-    /* except_clause: 'except' [test [',' test]] */
+    /* except_clause: 'except' [test [(',' | 'as') test]] */
     REQ(exc, except_clause);
     REQ(body, suite);