Update title, add effect on docs, add link to example checkin questions

Author: MaineC

Diff for: patterns/1-initial/cross-team-retrospectives.md

@@ -1,6 +1,6 @@
 ## Title
 
-Retrospectives for continuous improvement
+Trusted Committer and Contributor Retrospectives
 
 ## Patlet
 
@@ -63,6 +63,11 @@ Caveat: In particular for cases where people have tried to collaborate for a lon
 * Ideally several learnings can be shared with other InnerSource teams so they avoid running into the same trouble.
 * When done regularly after a handful of retrospectives collaboration improves, issues uncovered reduce, turning the session more and more into a lot of positive feedback.
 As a result motivation on both sides increases.
+* [Communication Tooling](https://github.com/InnerSourceCommons/InnerSourcePatterns/blob/main/patterns/2-structured/communication-tooling.md) and [Base Documentation](https://github.com/InnerSourceCommons/InnerSourcePatterns/blob/main/patterns/2-structured/base-documentation.md) improves.
+
+## Related material
+
+* [Generator for Checkin Questions](https://www.checkin-generator.de/)
 
 ## Known Instances