diff --git a/docs/fdroid.texi b/docs/fdroid.texi
index 72b2df65..edff2a85 100644
--- a/docs/fdroid.texi
+++ b/docs/fdroid.texi
@@ -834,7 +834,8 @@ You can use $$name$$ to substitute the path to a referenced srclib - see
 the @code{srclib} directory for details of this.
 
 You can use $$SDK$$, $$NDK$$ and $$MVN3$$ to substitute the paths to the
-android SDK and NDK directories, and maven 3 executable respectively.
+android SDK and NDK directories, and maven 3 executable respectively e.g. 
+for when you need to run @code{android update project} explicitly.
 
 @item init=xxxx
 As for 'prebuild', but runs on the source code BEFORE any other processing