diff --git a/docs/65_experimental.md b/docs/65_experimental.md
index eecde8b3..12f929b0 100644
--- a/docs/65_experimental.md
+++ b/docs/65_experimental.md
@@ -2,7 +2,7 @@
 ## Experimental Features (Subject to change)
 
 ### ROM info descriptions (pre-release only)
-To show a ROM description in the N64 ROM information screen, add a `.TXT` file next to the game ROM file with the same name and the following content:
+To show a ROM description in the N64 ROM information screen, add a `.ini` file next to the game ROM file with the same name and the following content:
 ```ini
 [metadata]
 description=This is the ROM description that does X Y Z.