From d5969e407057a1a940aff1c7e0786aa6b66406fd Mon Sep 17 00:00:00 2001
From: Yudong Jin <krahets@163.com>
Date: Thu, 5 Jan 2023 01:01:42 +0800
Subject: [PATCH] Update
 docs/chapter_computational_complexity/time_complexity.md

Co-authored-by: Justin Tse <xiefahit@gmail.com>
---
 docs/chapter_computational_complexity/time_complexity.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/chapter_computational_complexity/time_complexity.md b/docs/chapter_computational_complexity/time_complexity.md
index 8ef61d06..5a44a17f 100644
--- a/docs/chapter_computational_complexity/time_complexity.md
+++ b/docs/chapter_computational_complexity/time_complexity.md
@@ -1013,7 +1013,7 @@ $$
 
     ```typescript title="time_complexity.ts"
     /* 线性阶（遍历数组） */
-    function arrayTraversal(nums: number[]) {
+    function arrayTraversal(nums: number[]): number {
         let count = 0;
         // 循环次数与数组长度成正比
         for (let i = 0; i < nums.length; i++) {