diff --git a/README.md b/README.md
index 790124cc..55eecf25 100644
--- a/README.md
+++ b/README.md
@@ -82,7 +82,7 @@ make toolchain
 #### 5. Prepare a base ROM
 
 Copy your ROM to the root of this new project directory, and rename the file of the baserom to reflect the version of ROM you are using. ex: `baserom.us.z64`
-*Make sure the ROM is revision 1.1 (REV A).
+*Make sure the ROM is the US version, revision 1.1 (REV A).
 
 #### 6. Make and Build the ROM