diff --git a/README.md b/README.md
index d24dbb4e..ba9e70ce 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,7 @@ Note: on some OSes, you will need to add this line to your `/etc/hosts` file:
 ```
 
 Note: If on the first run you get a page with "network error". Try to ``docker-compose stop`` , then ``docker-compose start``.
+Note 2: If you are still getting "network error". Make sure you are authorizing the self-signed certificate by entering https://pusher.workadventure.testing and accepting them.
 
 ### MacOS developers, your environment with Vagrant