docs: update usage info

Author: jamesgeorge007

README.md

@@ -44,11 +44,15 @@ Please note that only those public events that belong to the following list show
 
 You can find an example [here](https://github.com/jamesgeorge007/jamesgeorge007/blob/master/.github/workflows/update-readme.yml).
 
-### Custom commit message or custom maximum number of populated lines
+### Override defaults
 
-Specify a custom commit message with the `COMMIT_MSG` input param.
+Use the following `input params` to customize it for your use case:-
+
+| Input Param | Default Value | Description |
+|--------|--------|--------|
+| `COMMIT_MSG` | :zap: Update README with the recent activity | Commit message used while committing to the repo |
+| `MAX_LINES` | 5 | The maximum number of lines populated in your readme file |
 
-Specify a custom maximum number of lines with the `MAX_LINES` input param *(default is 5)*.
 
 ```yml
 name: Update README