require list comprehensions to start with a for clause
diff --git a/Grammar/Grammar b/Grammar/Grammar
index f95923d..dd12b6d 100644
--- a/Grammar/Grammar
+++ b/Grammar/Grammar
@@ -77,7 +77,7 @@
factor: ('+'|'-'|'~') factor | power
power: atom trailer* ('**' factor)*
atom: '(' [testlist] ')' | '[' [listmaker] ']' | '{' [dictmaker] '}' | '`' testlist '`' | NAME | NUMBER | STRING+
-listmaker: test ( list_iter | (',' test)* [','] )
+listmaker: test ( list_for | (',' test)* [','] )
lambdef: 'lambda' [varargslist] ':' test
trailer: '(' [arglist] ')' | '[' subscriptlist ']' | '.' NAME
subscriptlist: subscript (',' subscript)* [',']