diff --git a/README.md b/README.md
index a256ceb..3471169 100644
--- a/README.md
+++ b/README.md
@@ -4,5 +4,5 @@ Our discord server is: https://discord.gg/AJJbJAzNNJ
 
 Early version. It has bugs and the code is messy.
 
-Put sm.smc in the root folder. When running, it will run both versions and compare frame by frame. If it detects a mismatch, it saves a snapshot in saves/ and displays a counter on screen counting down from 300.
+Put sm.smc (sha1 hash da957f0d63d14cb441d215462904c4fa8519c613) in the root folder. When running, it will run both versions and compare frame by frame. If it detects a mismatch, it saves a snapshot in saves/ and displays a counter on screen counting down from 300.