diff --git a/README.md b/README.md
index 040bdae..07e358f 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 ## Overview
 
-This extension allows to create custom field for a phone.
+This extension restricts update to exported contribution for users not having Edit exported contributions permission.
 
 ## Installation