diff --git a/Automatically-make-the-keyboard-switch-to-lowercase-after-the-first-character.md b/Automatically-make-the-keyboard-switch-to-lowercase-after-the-first-character.md
index 08ebe8b..6c55608 100644
--- a/Automatically-make-the-keyboard-switch-to-lowercase-after-the-first-character.md
+++ b/Automatically-make-the-keyboard-switch-to-lowercase-after-the-first-character.md
@@ -1,3 +1,5 @@
+Before following this tutorial, please make sure your copy of pokeemerald has [this commit](https://web.archive.org/web/20210909141834/https://github.com/pret/pokeemerald/commit/463d79c7c1b945db53b1d4278e3e05a65bbe1ee1#diff-138aab24ea0a6ec9cb8e839962b916f7) applied to it.
+
 This wiki tutorial was sourced from Pokecommunity. Thanks to Jaizu for the original code!
 
 Go to **[src/naming_screen.c](https://github.com/pret/pokeemerald/blob/master/src/naming_screen.c)** and edit the function ```static bool8 KeyboardKeyHandler_Character(u8 input)```.