diff --git a/.github/templates/README.tpl b/.github/templates/README.tpl
index 1027add..191d40a 100644
--- a/.github/templates/README.tpl
+++ b/.github/templates/README.tpl
@@ -55,7 +55,7 @@ jobs:
 | Name | Description | Default | Required |
 |------|-------------|---------|----------|
 {{- range $key, $input := $action.inputs }}
-| {{ tmpl.Exec "escape_chars" $key }} | {{ if (has $input "description") }}{{ tmpl.Exec "sanatize_string" $input.description }}{{ else }}{{ tmpl.Exec "escape_chars" $key }}{{ end }} | {{ if (has $input "default") }}`{{ tmpl.Exec "sanatize_string" $input.default }}`{{ else }}N/A{{ end }} | {{ if (has $input "required") }}{{ $input.required }}{{ else }}false{{ end }} |
+| {{ tmpl.Exec "escape_chars" $key }} | {{ if (has $input "description") }}{{ tmpl.Exec "sanatize_string" $input.description }}{{ else }}{{ tmpl.Exec "escape_chars" $key }}{{ end }} | {{ if (has $input "default") }}`{{ if $input.default }}{{ tmpl.Exec "sanatize_string" $input.default }}{{ else }}""{{ end }}`{{ else }}N/A{{ end }} | {{ if (has $input "required") }}{{ $input.required }}{{ else }}false{{ end }} |
 {{- end }}
 
 #### Output Method (output-method)
@@ -162,4 +162,4 @@ To enable you need to ensure a few things first:
 
 Complete examples can be found [here](https://github.com/terraform-docs/gh-actions/tree/{{ $version }}/examples).
 
-[terraform-docs]: https://github.com/terraform-docs/terraform-docs
\ No newline at end of file
+[terraform-docs]: https://github.com/terraform-docs/terraform-docs
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 46c6eb4..e4c8085 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -11,8 +11,6 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-        with:
-          ref: ${{ github.event.pull_request.head.ref }}
 
       - name: Should generate USAGE.md for tf11_basic
         uses: ./
diff --git a/README.md b/README.md
index 0635227..a76f2d1 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ jobs:
 
 | Name | Description | Default | Required |
 |------|-------------|---------|----------|
-| args | Additional arguments to pass to the command (see [full documentation](https://github.com/terraform-docs/terraform-docs/tree/master/docs)) | `` | false |
+| args | Additional arguments to pass to the command (see [full documentation](https://github.com/terraform-docs/terraform-docs/tree/master/docs)) | `""` | false |
 | atlantis-file | Name of Atlantis file to extract list of directories by parsing it. To enable, provide the file name (e.g. `atlantis.yaml`) | `disabled` | false |
 | config-file | Name of terraform-docs config file. To enable, provide the file name (e.g. `.terraform-docs.yml`) | `disabled` | false |
 | fail-on-diff | Fail the job if there is any diff found between the generated output and existing file (ignored if `git-push` is set) | `false` | false |
@@ -54,8 +54,8 @@ jobs:
 | git-commit-message | Commit message | `terraform-docs: automated action` | false |
 | git-push | If true it will commit and push the changes | `false` | false |
 | git-push-sign-off | If true it will sign-off commit | `false` | false |
-| git-push-user-email | If empty the no-reply email of the PR author will be used (i.e. `${GITHUB\_ACTOR}@users.noreply.github.com`) | `` | false |
-| git-push-user-name | If empty the name of the PR author will be used (i.e. `${GITHUB\_ACTOR}`) | `` | false |
+| git-push-user-email | If empty the no-reply email of the PR author will be used (i.e. `${GITHUB\_ACTOR}@users.noreply.github.com`) | `""` | false |
+| git-push-user-name | If empty the name of the PR author will be used (i.e. `${GITHUB\_ACTOR}`) | `""` | false |
 | indention | Indention level of Markdown sections [1, 2, 3, 4, 5] | `2` | false |
 | output-file | File in module directory where the docs should be placed | `USAGE.md` | false |
 | output-format | terraform-docs format to generate content (see [all formats](https://github.com/terraform-docs/terraform-docs/blob/master/docs/FORMATS\_GUIDE.md)) (ignored if `config-file` is set) | `markdown table` | false |
@@ -165,4 +165,4 @@ To enable you need to ensure a few things first:
 
 Complete examples can be found [here](https://github.com/terraform-docs/gh-actions/tree/v0.4.0/examples).
 
-[terraform-docs]: https://github.com/terraform-docs/terraform-docs
\ No newline at end of file
+[terraform-docs]: https://github.com/terraform-docs/terraform-docs