diff --git a/IMPACT.md b/IMPACT.md
index 88daeb66..40711c0d 100644
--- a/IMPACT.md
+++ b/IMPACT.md
@@ -74,6 +74,10 @@ The final step is "registering" the Baritone library with Impact, so that it loa
       "name": "cabaletta:baritone:1.0.0"
     },
     ```
+- Now find the ``"minecraftArguments": "..."`` text near the top.
+- At the very end of the quotes where it says ``--tweakClass clientapi.load.ClientTweaker"``, add on the following so it looks like:
+  - ``--tweakClass clientapi.load.ClientTweaker --tweakClass baritone.launch.BaritoneTweakerOptifine"``
+  - It should now read something like 
 - If you didn't close your launcher for this step, restart it now.
 - You can now launch Impact 4.3 as normal, and Baritone should start up