diff --git a/README.md b/README.md
index 0e649d1..3f897b8 100644
--- a/README.md
+++ b/README.md
@@ -41,8 +41,8 @@ These variables are *all optional*. If not set, sensible default values will be
 | Name | Description | Default |
 | --- | --- | --- |
 | `COMMIT_MESSAGE` | The message to use when committing changes. | `Auto-committed changes by create-pull-request action` |
-| `COMMIT_AUTHOR_EMAIL` | The email address of the commit author. | For `push` events, defaults to the HEAD commit author. Otherwise, <GITHUB_ACTOR>@users.noreply.github.com, where `GITHUB_ACTOR` is the GitHub user that initiated the event. |
-| `COMMIT_AUTHOR_NAME` | The name of the commit author. | For `push` events, defaults to the HEAD commit author. Otherwise, <GITHUB_ACTOR>, the GitHub user that initiated the event. |
+| `COMMIT_AUTHOR_EMAIL` | The email address of the commit author. | For `push` events, the HEAD commit author. Otherwise, <GITHUB_ACTOR>@users.noreply.github.com, where `GITHUB_ACTOR` is the GitHub user that initiated the event. |
+| `COMMIT_AUTHOR_NAME` | The name of the commit author. | For `push` events, the HEAD commit author. Otherwise, <GITHUB_ACTOR>, the GitHub user that initiated the event. |
 | `PULL_REQUEST_TITLE` | The title of the pull request. | `Auto-generated by create-pull-request action` |
 | `PULL_REQUEST_BODY` | The body of the pull request. | `Auto-generated pull request by [create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub Action` |
 | `PULL_REQUEST_LABELS` | A comma separated list of labels. | `none` |
@@ -53,10 +53,12 @@ These variables are *all optional*. If not set, sensible default values will be
 | `PULL_REQUEST_BRANCH` | The branch name. See **Branch naming** below for details. | `create-pull-request/patch` |
 | `BRANCH_SUFFIX` | The branch suffix type. Valid values are `short-commit-hash`, `timestamp`, `random` and `none`. See **Branch naming** below for details. | `short-commit-hash` |
 
-Output environment variables
+**Output environment variables**
 
 - `PULL_REQUEST_NUMBER` - The number of the pull request created.
 
+**Debug environment variables**
+
 The following parameters are available for debugging and troubleshooting.
 
 - `DEBUG_EVENT` - If present, outputs the event data that triggered the workflow.
@@ -106,6 +108,8 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           COMMIT_MESSAGE: Add report file
+          COMMIT_AUTHOR_EMAIL: peter-evans@users.noreply.github.com
+          COMMIT_AUTHOR_NAME: Peter Evans
           PULL_REQUEST_TITLE: '[Example] Add report file'
           PULL_REQUEST_BODY: >
             This PR is auto-generated by