Merge pull request #15768 from nikola-jokic/patch-5

Added explanation about args passed to container

content/actions/creating-actions/creating-a-docker-container-action.md

@@ -96,7 +96,7 @@ runs:
 ```
 {% endraw %}
 
-This metadata defines one `who-to-greet`  input and one `time` output parameter. To pass inputs to the Docker container, you must declare the input using `inputs` and pass the input in the `args` keyword.
+This metadata defines one `who-to-greet`  input and one `time` output parameter. To pass inputs to the Docker container, you should declare the input using `inputs` and pass the input in the `args` keyword. Everything you include in `args` is passed to the container, but for better discoverability for users of your action, we recommended using inputs.
 
 {% data variables.product.prodname_dotcom %} will build an image from your `Dockerfile`, and run commands in a new container using this image.