diff --git a/README.md b/README.md
index c4391d52..19ee1015 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,8 @@ Getting started
 ===============
 Install some nice extensions for Chrom(e|ium):
 - [Allow-Control-Allow-Origin](https://chrome.google.com/webstore/detail/allow-control-allow-origi/nlfbmbojpeacfghkpbjhddihlkkiljbi):
-  we need this to open connection to external hosts ([staging.ascribe.io](http://staging.ascribe.io/) in our case)
+  we need this to open connection to external hosts ([staging.ascribe.io](http://staging.ascribe.io/) in our case).
+  Please note that there is an [open issue](https://github.com/vitvad/Access-Control-Allow-Origin/issues/22) that prevents the extension to save the changes in the "intercepted URL or URL pattern". You can follow [this workaround](https://github.com/vitvad/Access-Control-Allow-Origin/issues/22#issuecomment-109898052) to fix the problem.
 - [React Developer Tools](https://chrome.google.com/webstore/detail/react-developer-tools/fmkadmapgofadopljbjfkapdkoienihi)
   
 ```bash