From a1b4a69db293fe1fb22f603d5c6cbcfb64a4574f Mon Sep 17 00:00:00 2001
From: Wentao Liu <wtracyliu@gmail.com>
Date: Tue, 14 Jun 2022 19:54:18 +0800
Subject: [PATCH] fix typo  (#1190)
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* 校对: chapter2/03_Strings_and_Characters 方法名变化

index(of:) 已更名为: firstIndex(of:)

* Update 03_Strings_and_Characters.md

fix typo
---
 source/02_language_guide/03_Strings_and_Characters.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/02_language_guide/03_Strings_and_Characters.md b/source/02_language_guide/03_Strings_and_Characters.md
index c022f3d3..a5641d9e 100755
--- a/source/02_language_guide/03_Strings_and_Characters.md
+++ b/source/02_language_guide/03_Strings_and_Characters.md
@@ -89,7 +89,7 @@ It also ends with a line break.
 
 ```swift
 let wiseWords = "\"Imagination is more important than knowledge\" - Einstein"
-// "Imageination is more important than knowledge" - Enistein
+// "Imagination is more important than knowledge" - Einstein
 let dollarSign = "\u{24}"             // $，Unicode 标量 U+0024
 let blackHeart = "\u{2665}"           // ♥，Unicode 标量 U+2665
 let sparklingHeart = "\u{1F496}"      // 💖，Unicode 标量 U+1F496