diff --git a/README.md b/README.md
index 80da6f3..668b74c 100644
--- a/README.md
+++ b/README.md
@@ -28,5 +28,6 @@ git clone https://github.com/Turnip-Labs/bta-minimal-mod.git
 
 5. Open `File > Project Structure`, select `Project` and set `Compiler output` to your project's path/out.
 
+6. **Make sure your Client and Server run configurations have `-Dfabric.gameVersion=1.7.7.0` in `VM options`!**
 
-6. Done! Now all that's left is to change every mention of `examplemod` to your own mod id. Happy modding!
+7. Done! Now all that's left is to change every mention of `examplemod` to your own mod id. Happy modding!