Update README

README.md

@@ -73,6 +73,9 @@ Note: With default settings there is at least one guaranteed eclipse per ingame
  - once the zip file finishes downloading, install it like a normal shader. you do NOT need to unzip/extract/decompress.
 
 # You want MOAR performance?
+> [!NOTE]  
+> My "[Iris Extension](https://github.com/Merlin1809/IrisExtension)" mod automatically does this when shader grass is disabled, there is no need to manually delete the files if you are using my mod!
+
  Delete the "gbuffers_terrain.gsh", "gbuffers_terrain.tcs" and "gbuffers_terrain.tes" files for all world folders in the shader.
  This will make the shader grass setting non functional BUT will increase performance, especially with high vanilla render distances!
  (If you're wondering why, Iris does NOT allow me to disable these files once they're there. So even when Shader Grass is disabled these execute and harm performance!)