[scripts/robotpkg_helpers] Improve README.md

scripts/robotpkg_helpers/README.md

@@ -25,5 +25,6 @@ together.
 Set of python scripts using the previous classes to perform:
 - [Deployment tests for a given set of packages and specific branches in default directory (~/devel-src/robotpkg-test-rc)](tests/test_rc.py)
 - [Deployment tests for a given set of packages and specific branches in a specified directory](tests/test_rc_other_path.py)
+This can be useful if the defaut policy is not right for you.
 - [Deployment tests using a destfiles directory and a personal fork of robotpkg](tests/test_distfiles.py)
 - [Generate a dockerfile based on parsing a Makefile using jrl-cmakemodules](tests/test_gen_dockerfile.py)