From 65c8f3f9c0feaa180615e58edc74e49ac3012c9a Mon Sep 17 00:00:00 2001
From: Innokenty <innokenty@singularitynet.io>
Date: Thu, 29 Feb 2024 11:14:38 +0300
Subject: [PATCH] minor fix

---
 SICP_book/chapter_2_2.metta | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/SICP_book/chapter_2_2.metta b/SICP_book/chapter_2_2.metta
index d851248..5f67bf7 100644
--- a/SICP_book/chapter_2_2.metta
+++ b/SICP_book/chapter_2_2.metta
@@ -530,7 +530,7 @@
     (total-weight (more-complex-mobile))
     100)
 
-(= (isbalanced $mobile)
+(= (isbalanced? $mobile)
    (case $mobile (
      ((Cons $x $xs)
         (let*