Settings.cfg: clarify github project Typo3-Documentation URL

Documentation/Settings.cfg

@@ -36,13 +36,12 @@ description = Documentation for the Typo3 Extension 'QFQ'
 
 ;github_branch = latest
 ;github_commit_hash =
-;github_repository = TYPO3-Documentation/TYPO3CMS-Example-ExtensionManual
+;github_repository = https://github.com/TYPO3-Documentation/TYPO3CMS-Example-ExtensionManual/
 ;github_revision_msg =
 ;github_sphinx_locale =
 
 # project_contact    = documentation@typo3.org
 project_contact = carsten.rose@math.uzh.ch
-project_discussions =
 # project_discussions= http://...
 project_discussions = https://hello.math.uzh.ch/channel/qfq
 # project_home       =