Fix typo in README.md (#2658)

* Fix typo in README.md

* Fix typo in README.md

Author: mlvandijk

CONTRIBUTING.md

@@ -18,7 +18,7 @@ The source code is formatted automatically by spotless when running:
 mvn install
 ```
 
-To configure Intelij IDEA/Eclipse use the configuration files in `.spotless/`.
+To configure IntelliJ IDEA/Eclipse use the configuration files in `.spotless/`.
 
 ## Formatting XML, Gherkin, ect
 

README.md

@@ -37,7 +37,7 @@ Please ask on
 ## Bugs and Feature requests
 
 You can register bugs and feature requests in the
-[Github Issue Tracker](https://github.com/cucumber/cucumber-jvm/issues).
+[GitHub Issue Tracker](https://github.com/cucumber/cucumber-jvm/issues).
 
 Please bear in mind that this project is almost entirely developed by
 volunteers. If you do not provide the implementation yourself (or pay someone