diff --git a/README.md b/README.md
index 322f06ba..ba9e70ce 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,9 @@ Note: on some OSes, you will need to add this line to your `/etc/hosts` file:
 127.0.0.1 workadventure.localhost
 ```
 
+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
 
 If you are using MacOS, you can increase Docker performance using Vagrant. If you want more explanations, you can read [this medium article](https://medium.com/better-programming/vagrant-to-increase-docker-performance-with-macos-25b354b0c65c).