diff --git a/assignment.jj b/assignment.jj
index 9e9c779..a4badc5 100644
--- a/assignment.jj
+++ b/assignment.jj
@@ -17,7 +17,7 @@ PARSER_END(Assignment)
 TOKEN : { <LEFT_PAREN: "(">}
 TOKEN : { <RIGHT_PAREN: ")">}
 TOKEN : { <NEWLINE: "\n">}
-TOKEN : { <ANY: (~[])>}
+TOKEN : { <ANY: ~[]>}
 
 void Start() : {}
 {