diff --git a/README.md b/README.md
index 32cb172..b5de54f 100644
--- a/README.md
+++ b/README.md
@@ -102,6 +102,8 @@ $ sudo vim /etc/hosts # add 127.0.0.1 dev-ants
 # Then after "Machine" install, open in your browser http://dev-ants
 ```
 
+if you use chrome change settings for CORS for dev chrome://flags/#block-insecure-private-network-requests  change to disabled  
+
 FOR PRODUCTION: 
 
 You need a domain name, to get a free one [http://ydns.io](http://ydns.io) create one like apxtri.ydns.io that content your IP adress the get your url update something like [https://ydns.io/hosts/update/Tl7FDQAETmQre312edztgsI](https://ydns.io/hosts/update/Tl7FDQAETmQre312edztgsI)[Uy](https://ydns.io/hosts/update/Tl7FDQAETmQre312edztgsIUy)