diff --git a/Other-features-and-notes.md b/Other-features-and-notes.md
index 5398162..9240c77 100644
--- a/Other-features-and-notes.md
+++ b/Other-features-and-notes.md
@@ -28,7 +28,8 @@ How to use:
 
 `def_NAME.bin` gets launched by holding the **START** button or if chosen payload doesn't exist, for the others you need to hold their corresponding button.  
 For the `r_NAME.bin` and `sel_NAME.bin` you need to press **L+R** and **L+SELECT** on boot respectively.  
-If you're using a non-screen-init version of A9LH, it will be done automatically before launching the payload.
+If you're using a non-screen-init version of A9LH, it will be done automatically before launching the payload.  
+**FILE NAME MUST BE 13 CHARACTERS OR LESS!**
 
 ---