Update README.md

Author: austenstone

README.md

@@ -1,8 +1,6 @@
-![CODEOWNER Coverage](https://badgen.net/badge/CODEOWNER%20Coverage/80%/blue?icon=github)
+# CODEOWNERS Coverage Action
 
-# Action
-
-An [Action](https://docs.github.com/en/actions).
+An [Action](https://docs.github.com/en/actions) that checks if files are covered by the [CODEOWNERS](https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners) file.
 
 ## Usage
 Create a workflow (eg: `.github/workflows/seat-count.yml`). See [Creating a Workflow file](https://help.github.com/en/articles/configuring-a-workflow#creating-a-workflow-file).
@@ -20,7 +18,7 @@ If your organization has SAML enabled you must authorize the PAT, see [Authorizi
 
 #### Example
 ```yml
-name: TypeScript Action Workflow
+name: CODEOWNERS
 on:
   workflow_dispatch:
 
@@ -29,7 +27,29 @@ jobs:
     name: Run Action
     runs-on: ubuntu-latest
     steps:
-      - uses: austenstone/action-typescript@main
+      - uses: austenstone/codeowners-coverage@main
+```
+
+#### Example changed files in PR
+Pass the files in to check only specific files. Combine with [tj-actions/changed-files](https://github.com/tj-actions/changed-files) to check only files changed.
+```yml
+name: CODEOWNERS
+on:
+  push:
+  pull_request:
+
+jobs:
+  run:
+    name: Check Coverage
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - id: changed-files
+        uses: tj-actions/[email protected]
+      - uses: ./
+        with:
+          ignore-default: 'true'
+          files: ${{ steps.changed-files.outputs.all_changed_files }}
 ```
 
 ## ➡️ Inputs
@@ -38,7 +58,9 @@ Various inputs are defined in [`action.yml`](action.yml):
 | Name | Description | Default |
 | --- | - | - |
 | github‑token | Token to use to authorize. | ${{ github.token }} |
-
+| include-gitignore | Weither to filter our files in .gitignore | true |
+| ignore-default | Weither to ignore the default rule `*` in CODEOWNERS file | false |
+| files          | Filter check to only specific files | N/A
 <!-- 
 ## ⬅️ Outputs
 | Name | Description |