Update README.md

Browshot support CORS to retrieve thumbnails.

README.md

@@ -248,7 +248,7 @@ API | Description | Auth | HTTPS | CORS |
 | [BetterMeta](http://bettermeta.io) | Return a site's meta tags in JSON format | `X-Mashape-Key` | Yes | Unknown |
 | [Bitbucket](https://developer.atlassian.com/bitbucket/api/2/reference/) | Bitbucket API | `OAuth` | Yes | Unknown |
 | [Bored](https://www.boredapi.com/) | Find random activities to fight boredom | No | Yes | Unknown |
-| [Browshot](https://browshot.com/api/documentation) | Easily make screenshots of web pages in any screen size, as any device | `apiKey` | Yes | Unknown |
+| [Browshot](https://browshot.com/api/documentation) | Easily make screenshots of web pages in any screen size, as any device | `apiKey` | Yes | Yes |
 | [CDNJS](https://api.cdnjs.com/libraries/jquery) | Library info on CDNJS | No | Yes | Unknown |
 | [Changelogs.md](https://changelogs.md) | Structured changelog metadata from open source projects | No | Yes | Unknown |
 | [CountAPI](https://countapi.xyz) | Free and simple counting service. You can use it to track page hits and specific events | No | Yes | Yes |