Improve explanation in docs.

Author: delucis

website/site/content/docs/authentication-backends.md

@@ -95,4 +95,4 @@ be nested under that field.
 | `site_domain`   | `location.hostname` (or `cms.netlify.com` when on `localhost`) | Sets the `site_id` query param sent to the API endpoint. Non-Netlify auth setups will often need to set this for local development to work properly. |
 | `base_url`      | `https://api.netlify.com`                                      | OAuth client URL for the `github` backend. **Required** when using an external OAuth server with the `github` backend.                               |
 | `auth_endpoint` | `auth`                                                         | Path to append to `base_url` for authentication requests. Optional.                                                                                  |
-| `squash_merges`  | `false`                                                        | If true, squash merges pull requests using when using the Editorial Workflow. Optional.                                                                                  |
+| `squash_merges`  | `false`                                                        | If true, pull requests are merged using the “squash and merge” method, reducing clutter in the content repository. Optional.                                                                                  |