diff --git a/metadata/com.ichi2.anki.txt b/metadata/com.ichi2.anki.txt
index f9b2f0b23c..9d6cbc6302 100644
--- a/metadata/com.ichi2.anki.txt
+++ b/metadata/com.ichi2.anki.txt
@@ -1,4 +1,5 @@
 Categories:Science & Education
+AntiFeatures:NonFreeNet
 License:GPLv3
 Web Site:https://code.google.com/p/ankidroid/wiki/Index
 Source Code:https://github.com/ankidroid/Anki-Android
@@ -11,6 +12,8 @@ Anki is a program which makes remembering things easy. Because it is a lot more
 efficient than traditional study methods, you can either greatly decrease your time
 spent studying, or greatly increase the amount you learn. AnkiDroid is the Android
 port of Anki, and is compatible with Anki data.
+
+Some features, like synchronization, use non-free networ services.
 .
 
 Repo Type:git