Update README.md

Author: mouse0w0

README.md

@@ -231,14 +231,16 @@
 - [【1.7.10】EMX的教程](https://emxtutorials.wordpress.com/)
 - ~~[附属模组开发工作空间设置](http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/modification-development/2358564-how-do-i-use-another-mod-as-a-dependency-for-my)~~
 
-### 模组迁移指南
-- [1.15 -> 1.16 模组迁移指南](https://moddingtutorials.org/1.16.5/updating)
-- [1.16.5 -> 1.17.1 模组迁移指南](https://moddingtutorials.org/1.18.2/updating-to-1.17)
-- [1.17.1 -> 1.18.2 模组迁移指南](https://moddingtutorials.org/1.18.2/updating)
-- [1.18.2 -> 1.19.2 模组迁移指南](https://moddingtutorials.org/1.19.2/updating)
-- [1.19.2 -> 1.19.3 模组迁移指南](https://gist.github.com/ChampionAsh5357/c21724bafbc630da2ed8899fe0c1d226)
-- [1.19.3 -> 1.19.4 模组迁移指南](https://gist.github.com/ChampionAsh5357/163a75e87599d19ee6b4b879821953e8)
+### 模组迁移指南（英语）
+- [1.20.5/6 -> 1.21 模组迁移指南](https://gist.github.com/ChampionAsh5357/d895a7b1a34341e19c80870720f9880f)
+- [1.20.4 -> 1.20.5 模组迁移指南](https://gist.github.com/ChampionAsh5357/53b04132e292aa12638d339abfabf955)
 - [1.19.4 -> 1.20 模组迁移指南](https://gist.github.com/ChampionAsh5357/cf818acc53ffea6f4387fe28c2977d56)
+- [1.19.3 -> 1.19.4 模组迁移指南](https://gist.github.com/ChampionAsh5357/163a75e87599d19ee6b4b879821953e8)
+- [1.19.2 -> 1.19.3 模组迁移指南](https://gist.github.com/ChampionAsh5357/c21724bafbc630da2ed8899fe0c1d226)
+- [1.18.2 -> 1.19.2 模组迁移指南](https://moddingtutorials.org/1.19.2/updating)
+- [1.17.1 -> 1.18.2 模组迁移指南](https://moddingtutorials.org/1.18.2/updating)
+- [1.16.5 -> 1.17.1 模组迁移指南](https://moddingtutorials.org/1.18.2/updating-to-1.17)
+- [1.15 -> 1.16 模组迁移指南](https://moddingtutorials.org/1.16.5/updating)
 - [ForgeGradle 5 -> 6 迁移指南](https://gist.github.com/ChampionAsh5357/98b08c117cb2057d8029a8919c378a4c)
 
 ### 模组示例代码