another readme update

Author: anthony-nhs

README.md

@@ -235,8 +235,8 @@ jobs:
 ```
 
 ## tag release - devcontainer version
-This workflow uses the semantic-release npm package to generate a new version tag, changelog, and github release for a repo.
-
+This workflow uses the semantic-release npm package to generate a new version tag, changelog, and github release for a repo.   
+*The devcontainer MUST have node installed*
 #### Inputs
 
 - `dry_run`: Whether to run in dry_run mode (do not create tags) or not