Update README.md

Author: wurstbrot

README.md

@@ -30,8 +30,9 @@ Join #dsomm in [OWASP Slack](https://owasp.slack.com/join/shared_invite/zt-g398h
 Create issues or even better Pull Requests in [github](https://github.com/wurstbrot/DevSecOps-MaturityModel/).
 
 # Slides and talks
-* [DSOMM Enhancement Workshop at Open Security Summit, 2021-04-16](https://youtu.be/H2BA6gaeKBE)
-* [Talk: Strategic Usage of the OWASP Software Assurance Maturity Model and the OWASP DevSecOps Maturity Model, OWASP Jakarta](https://m.youtube.com/watch?v=lLMLGIzl56M)
+* [Video: OWASP (DevSecOps) Projects, 2021-04-28, OWASP Stammtisch Frankfurt](https://www.youtube.com/watch?v=8webiYnF56A)
+* [Video: DSOMM Enhancement Workshop at Open Security Summit, 2021-04-16](https://youtu.be/H2BA6gaeKBE)
+* [Video: Strategic Usage of the OWASP Software Assurance Maturity Model and the OWASP DevSecOps Maturity Model, OWASP Jakarta](https://m.youtube.com/watch?v=lLMLGIzl56M)
 * [Slides: DSOMM Overview](https://docs.google.com/presentation/d/1eQcE_AsR1g6uOVf3B2Ehh1g0cHvPknkdLY4BzMYatSw/edit?usp=sharing)
 * [Video: GitHub practical DSOMM snippet on twitch](https://www.twitch.tv/githubenterprise/clip/EsteemedTriumphantMinkFailFish)
 * [Blog: GitHub on DSOMM](https://github.blog/2020-08-06-achieving-devsecops-maturity-with-a-developer-first-community-driven-approach/) 2020