Correct typo in README

Note:
    The user deleted the fork from this project, so it will not be possible to resolve the conflict for the merger.

Close #1281

README.md

@@ -587,7 +587,7 @@ API | Description | Auth | HTTPS | CORS |
 |---|---|---|---|---|
 | [Adzuna](https://developer.adzuna.com/overview) | Job board aggregator | `apiKey` | Yes | Unknown |
 | [Careerjet](https://www.careerjet.com/partners/api/) | Job search engine | `apiKey` | No | Unknown |
-| [Github Jobs](https://jobs.github.com/api) | Jobs for software developers | No | Yes | Yes |
+| [GitHub Jobs](https://jobs.github.com/api) | Jobs for software developers | No | Yes | Yes |
 | [GraphQL Jobs](https://graphql.jobs/docs/api/) | Jobs with GraphQL | No | Yes | Yes |
 | [Jobs2Careers](http://api.jobs2careers.com/api/spec.pdf) | Job aggregator | `apiKey` | Yes | Unknown |
 | [Jooble](https://us.jooble.org/api/about) | Job search engine | `apiKey` | Yes | Unknown |