diff --git a/firefox/10-manual.yml b/firefox/10-manual.yml
index e15cd472..85b4eb2a 100644
--- a/firefox/10-manual.yml
+++ b/firefox/10-manual.yml
@@ -9,3 +9,9 @@ manual:
   http_proxy:
     description: HTTP Proxy
     type: family
+
+    address:
+      description: HTTP address
+      type: domainname
+      params:
+        allow_ip: true