docs: Fix typo

Author: imphil

examples/prebuilt/README.md

@@ -10,7 +10,7 @@ Steps for the full setup, such as creating a GitHub app can be found in the root
 
 | Name | Description | Type | Default | Required |
 |------|-------------|------|---------|:--------:|
-| <a name="input_ami_filter"></a> [ami\_filter](#input\_ami\_filter) | The amis to search.  Use the default for the provided amazon linux image, `github-runner-windows-core-2019-*` for the provided widnows image | `string` | `github-runner-amzn2-x86_64-2021*` | no |
+| <a name="input_ami_filter"></a> [ami\_filter](#input\_ami\_filter) | The amis to search.  Use the default for the provided amazon linux image, `github-runner-windows-core-2019-*` for the provided Windows image | `string` | `github-runner-amzn2-x86_64-2021*` | no |
 | <a name="input_github_app_key_base64"></a> [github\_app\_key\_base64](#input\_github\_app\_key\_base64) | The base64 encoded private key you downloaded from GitHub when creating the app | `string` | | yes |
 | <a name="input_github_app_id"></a> [github\_app\_id](#input\_github\_app\_id) | The id of the app you created on GitHub | `string` | | yes |
 | <a name="input_region"></a> [region](#input\_region) | The target aws region | `string` | `eu-west-1` | no |