diff --git a/README.md b/README.md
index 9b760f3..b8c7c20 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 *Compatibility: (2020-05-01)*  
  *OptiForge-MC1.14.4-0.1.0*  
  *Forge-1.14.4-28.2.2 or newer version*  
- *OptiFine-1.14.4-F5 or newer version*  
+ *OptiFine-1.14.4-F4-pre1 or newer version*  
 
 ## How to Use