From a6c6435bc750272eda46d7696ae0202a809f3b53 Mon Sep 17 00:00:00 2001
From: ehlxr <ehlxr.me@gmail.com>
Date: Sun, 5 Jun 2022 14:55:15 +0800
Subject: [PATCH] update

---
 src/palindrome.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/palindrome.go b/src/palindrome.go
index b647ce3..6b7f582 100644
--- a/src/palindrome.go
+++ b/src/palindrome.go
@@ -29,5 +29,6 @@ func palindrome(s string, l, r int) string {
 
 	// (r-1)-l 为回文串的长度
 	// s[l+1 : (r-1)-l+(l+1)] 为回文串
+	// 区间：[:)
 	return s[l+1 : r]
 }