Updating description of the option

doc/api/projects.md

@@ -1738,7 +1738,7 @@ PUT /projects/:id/push_rule
 | `file_name_regex` **(STARTER)**               | string         | no       | All commited filenames must **not** match this, e.g. `(jar|exe)$` |
 | `max_file_size` **(STARTER)**                 | integer        | no       | Maximum file size (MB) |
 | `commit_committer_check` **(PREMIUM)**        | boolean        | no       | Users can only push commits to this repository that were committed with one of their own verified emails. |
-| `reject_unsigned_commits` **(PREMIUM)**        | boolean        | no       | Reject commit when it is not signed through GPG. |
+| `reject_unsigned_commits` **(PREMIUM)**        | boolean        | no       | Reject commits when they are not GPG signed. |
 
 ### Delete project push rule