diff --git a/Lib/compiler/transformer.py b/Lib/compiler/transformer.py
index ac23ad1..77ac776 100644
--- a/Lib/compiler/transformer.py
+++ b/Lib/compiler/transformer.py
@@ -930,7 +930,7 @@
         for i in range(3, len(nodelist), 3):
             node = nodelist[i]
             if node[0] == symbol.except_clause:
-                # except_clause: 'except' [expr [',' expr]] */
+                # except_clause: 'except' [expr [(',' | 'as') expr]] */
                 if len(node) > 2:
                     expr1 = self.com_node(node[2])
                     if len(node) > 4: