docs: fix typo

Author: pvdlg

README.md

@@ -101,7 +101,7 @@ The message for the issue comments is generated with [Lodash template](https://l
 | `lastRelease` | `Object` with `version`, `gitTag` and `gitHead` of the last release.                                                                                                                                                                                                          |
 | `nextRelease` | `Object` with `version`, `gitTag`, `gitHead` and `notes` of the release being done.                                                                                                                                                                                           |
 | `commits`     | `Array` of commit `Object`s with `hash`, `subject`, `body` `message` and `author`.                                                                                                                                                                                            |
-| `releases`    | `Array` with a release `Object`s for each release published, with optional release data such has `name` and `url`.                                                                                                                                                            |
+| `releases`    | `Array` with a release `Object`s for each release published, with optional release data such as `name` and `url`.                                                                                                                                                             |
 | `issue`       | A [GitHub API pull request object](https://developer.github.com/v3/search/#search-issues) for pull requests related to a commit, or an `Object` with the `number` property for issues resolved via [keywords](https://help.github.com/articles/closing-issues-using-keywords) |
 
 ##### successComment examples