diff --git a/docs/source/examples.rst b/docs/source/examples.rst
index 44be552fea..b89a62e124 100644
--- a/docs/source/examples.rst
+++ b/docs/source/examples.rst
@@ -8,7 +8,8 @@ A good starting point to build an APK are prebuilt VirtualBox images, where
 the Android NDK, the Android SDK and the Kivy Python-For-Android sources
 are prebuilt in an VirtualBox image. Please search the `Download Section 
 <http://kivy.org/#download>`__ for
-such an image.
+such an image. You will also need to create a device filter for the Android
+USB device using the VirtualBox OS settings.
 
 .. include:: example_helloworld.rst
 .. include:: example_compass.rst