-rsync binary found on the path. You can use this to test a
-distribution build, or perhaps by setting $PATH to run a new test
-suite against an old version of rsync.
+rsync binary from its installed location (e.g. /usr/local/bin/rsync).
+You can use this to test a distribution build, or perhaps to run a new
+test suite against an old version of rsync. Note that in accordance
+with the GNU Standards, installcheck does not look for rsync on the
+path.