diff --git a/firefox/10-manual.yml b/firefox/10-manual.yml
index 7626e800..5d6d2b07 100644
--- a/firefox/10-manual.yml
+++ b/firefox/10-manual.yml
@@ -2,7 +2,9 @@
 ---
 version: 1.1
 
-manual:
-  description: Manual proxy configuration
-  type: family
+manual:  # Manual proxy configuration
+
+  http_proxy:
+    description: HTTP Proxy
+    type: family
 ...