Update README.md

Author: kare

README.md

@@ -12,7 +12,7 @@
 ## Description
 `streamr-docker-dev-action` is a custom GitHub Action that:
 - Clones [streamr-docker-dev](https://github.com/streamr-dev/streamr-docker-dev/) command line tool
-- Sets command `streamr-docker-dev` to `$PATH`
+- Sets command `streamr-docker-dev` to `$PATH` and makes it available to next steps
 - Starts Streamr Docker stack
 
 ## Required input arguments