On https://github.com/jboss-developer/jboss-developer-shared-resources/blob/master/guides/CONFIGURE_MAVEN.md

The Configure Maven - For Use with Command Line section and Configure Maven - For Use with JBoss Developer Studio points to a broken anchor.

The phrase 'Note: These instructions assume you are working with a released version of the quickstarts. If you are working with the quickstarts located in the GitHub master branch, follow the instructions located in the Contributing Guide.' points a broken link on 'Contributing Guide'