diff --git a/AutoFill.md b/AutoFill.md
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@@ -1,5 +1,7 @@
 **Autofill service can fill out the views in other apps** with credentials provided by KeePassDX.
 
+The Autofill service is managed by the system and has limitations. KeePassDX only sends visuals and content that will be displayed and filled by this Android service (as a popup or in the keyboard if it is compatible).
+
 # Set-up
 
 You must select **KeePassDX form autofilling** in the *Autofill service* menu on your device.