diff --git a/source/developers/component_deps_and_reqs.markdown b/source/developers/component_deps_and_reqs.markdown
index 111ec45a48..1204779240 100644
--- a/source/developers/component_deps_and_reqs.markdown
+++ b/source/developers/component_deps_and_reqs.markdown
@@ -42,7 +42,8 @@ If you need to make changes to a requirement to support your component, it's als
 * `pip install ./pychromecast`
 * `hass --skip-pip`
 
-You can also to point to a hosted package in the form of a zip-file as a requirement. GitHub provides zip-files for a specific branch, release or even a specific commit. To do that the string in `REQUIREMENTS` needs to be composed of two parts:
+
+For testing and development purposes you can also to point to a hosted package in the form of a zip-file as a requirement. (note: components included in home-assisstant should just point to published pypi packages/versions if possible) GitHub provides zip-files for a specific branch, release or even a specific commit. To do that the string in `REQUIREMENTS` needs to be composed of two parts:
 * an URL pointing to the zip-file (e.g. https://github.com/my/repo/archive/branch-x.zip) a
 * a hashtag and pip-string (as described above) to declare what package and version that zipfile contains.