From f43305edf5fd0357f6506c9498b98ce7f92959fe Mon Sep 17 00:00:00 2001
From: Yangshun Tay <tay.yang.shun@gmail.com>
Date: Mon, 29 Mar 2021 17:58:30 +0800
Subject: [PATCH] Update binary.md

---
 contents/algorithms/binary.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contents/algorithms/binary.md b/contents/algorithms/binary.md
index 81d71154..c11dd1f3 100644
--- a/contents/algorithms/binary.md
+++ b/contents/algorithms/binary.md
@@ -17,7 +17,7 @@ Some helpful utility snippets:
 - Set k<sup>th</sup> bit: `num |= (1 << k)`.
 - Turn off k<sup>th</sup> bit: `num &= ~(1 << k)`.
 - Toggle the k<sup>th</sup> bit: `num ^= (1 << k)`.
-- To check if a number is a power of 2, `num & num - 1 == 0` or `num & (-num) == num`.
+- To check if a number is a power of 2, `(num & num - 1) == 0` or `(num & (-num)) == num`.
 
 ## Corner cases