diff --git a/beautiful-racket-demo/basic-demo-2/expr.rkt b/beautiful-racket-demo/basic-demo-2/expr.rkt
index 9c48201..8b3dfd7 100644
--- a/beautiful-racket-demo/basic-demo-2/expr.rkt
+++ b/beautiful-racket-demo/basic-demo-2/expr.rkt
@@ -24,5 +24,3 @@
 
 (define-macro (b-def ID VAR EXPR)
   #'(set! ID (λ (VAR) EXPR)))
-
-(define (b-func id val) (id val))
\ No newline at end of file
diff --git a/beautiful-racket-demo/basic-demo-2/parser.rkt b/beautiful-racket-demo/basic-demo-2/parser.rkt
index 4dd4edb..c5a7c77 100644
--- a/beautiful-racket-demo/basic-demo-2/parser.rkt
+++ b/beautiful-racket-demo/basic-demo-2/parser.rkt
@@ -29,7 +29,7 @@ b-product : [b-product ("*"|"/"|"%"|"^")] b-value
 
 ;; values
 @b-value : b-id | b-number | /"(" b-expr /")" | b-not | b-func
-b-func : b-id /"(" b-expr /")"
+/b-func : b-id /"(" b-expr /")"
 b-not : /"!" b-value
 @b-id : ID
 @b-number : b-positive | b-negative