diff --git a/README.md b/README.md
index 5477b75..473eb4f 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+I've tried to add blocking for groups, however have not testet it yet.
+
 # Unseen extension for Firefox
 
 ![Screenshot of Facebook's 'seen' status](http://i45.tinypic.com/2yv44r7.png)