manual: mention that full path should be given for android update project

diff --git a/docs/fdroid.texi b/docs/fdroid.texi
index 72b2df656603c718bc3616675d141fa9e0a31cd8..edff2a8509ceb0bf9e3c3818f5a444306a62fe26 100644 (file)
--- 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