diff --git a/basics_dev/package-contributions.md b/basics_dev/package-contributions.md
index 1990dd15..8dbe5a49 100644
--- a/basics_dev/package-contributions.md
+++ b/basics_dev/package-contributions.md
@@ -87,6 +87,8 @@ If you do not act on your maintainer duties for a given package for an extended
 
 
 [Inclusion Criteria]: #inclusion-criteria
+[Contribution Procedure]: #contribution-procedure
+[Update Procedure]: #update-procedure
 [Review Procedure]: #review-procedure
 [Package Maintainer]: #package-maintainers
 [Qubes OS License]: /doc/license/