diff --git a/README b/README
index c191664..c7b18d4 100644
--- a/README
+++ b/README
@@ -35,6 +35,9 @@
  
  - Run via the 'oblogout' command
  
+ - CAIRO RENDERING IS ONLY ENABLED FOR COMPOSITED SCREENS!
+   Rendered effects are used for ones without.
+ 
 ######
 
  CONFIGURATION OPTIONS