diff --git a/firefox/40-no_proxy.yml b/firefox/40-no_proxy.yml
index 62cd442d..0937690b 100644
--- a/firefox/40-no_proxy.yml
+++ b/firefox/40-no_proxy.yml
@@ -4,6 +4,10 @@ version: 1.1
 
 no_proxy:
   description: Address for which proxy will be desactivated
+  examples:
+    - .mozilla.org
+    - .net.nz
+    - 192.168.1.0/24
   type: domainname
   params:
     allow_ip: true