Update README.md

Co-authored-by: Matheus Felipe <50463866+matheusfelipeog@users.noreply.github.com>

README.md

@@ -261,7 +261,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Myjson](http://myjson.com/api) | A simple JSON store for your web or mobile app | No | No | Unknown |
 | [Nationalize.io](https://nationalize.io) | Estimate the nationality of a first name | No | Yes | Yes |
 | [OOPSpam](https://oopspam.com/) | Multiple spam filtering service | No | Yes | Yes |
-| [PageCDN](https://pagecdn.com/docs/public-api) | Public API for javascript, css and font libraries on PageCDN. | `apikey` | Yes | Yes |
+| [PageCDN](https://pagecdn.com/docs/public-api) | Public API for javascript, css and font libraries on PageCDN | `apiKey` | Yes | Yes |
 | [Plino](https://plino.herokuapp.com/) | Spam filtering system | No | Yes | Unknown |
 | [Postman](https://docs.api.getpostman.com/) | Tool for testing APIs | `apiKey` | Yes | Unknown |
 | [ProxyCrawl](https://proxycrawl.com) | Scraping and crawling anticaptcha service | `apiKey` | Yes | Unknown |