diff --git a/metadata/org.mozilla.mozstumbler.txt b/metadata/org.mozilla.mozstumbler.txt
index a4e64a59f5..ad66ae27e9 100644
--- a/metadata/org.mozilla.mozstumbler.txt
+++ b/metadata/org.mozilla.mozstumbler.txt
@@ -1,3 +1,4 @@
+#AntiFeatures:NonFreeNet
 Categories:Navigation
 License:MPL2
 Web Site:https://location.services.mozilla.com
@@ -7,10 +8,14 @@ Issue Tracker:https://github.com/mozilla/MozStumbler/issues
 Auto Name:Mozilla Stumbler
 Summary:Data gathering for Mozilla Location Service
 Description:
-Android Stumbler for Mozilla Location Service. This allows you
-to contribute a mapping from Cell towers and WiFi access points
-to a GPS location. This will be used for location services when
-no GPS is available, similar to OpenWLANMap.
+Android Stumbler for [https://location.services.mozilla.com/ Mozilla Location Service].
+This allows you to contribute a mapping from Cell towers and WiFi access
+points to a GPS location. This will be used for location services when
+no GPS is available, similar to [http://www.openwlanmap.org/ OpenWLANMap].
+
+While both, client and server, are free software, Mozilla only releases the
+[https://location.services.mozilla.com/downloads cell data]. WiFi data is
+withheld due to privacy/legal issues.
 .
 
 Repo Type:git