From 0b265d2ca506a3f0b9c4324e72cd7df5e1073ab1 Mon Sep 17 00:00:00 2001
From: nocodeempire <tioy102@gmail.com>
Date: Wed, 23 Aug 2023 14:34:06 +0800
Subject: [PATCH] fix: typo

---
 docs/mapping.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/mapping.md b/docs/mapping.md
index 6a9d44d..603ca9c 100644
--- a/docs/mapping.md
+++ b/docs/mapping.md
@@ -237,7 +237,7 @@ type A<T> = {
 };
 
 // 等同于
-type B<T> = {
+type A<T> = {
   readonly [P in keyof T]?: T[P];
 };
 ```