Update CONTRIBUTING.md

Author: mattwynne

CONTRIBUTING.md

@@ -3,9 +3,9 @@
 Before anything else, thank you for taking some of your precious time to help this project move forward. ❤️
 
 If you're new to open source and feeling a bit nervous 😳, we understand! We recommend watching [this excellent guide](https://egghead.io/talks/git-how-to-make-your-first-open-source-contribution)
-to give you a grounding in some of the basic concepts. We want you to feel safe to make mistakes, and ask questions.
+to give you a grounding in some of the basic concepts. You could also watch [this talk](https://www.youtube.com/watch?v=tuSk6dMoTIs) from our very own wonderful [Marit van Dijk](https://github.com/mlvandijk) on her experiences contributing to Cucumber.
 
-If anything in this guide or anywhere else in the codebase doesn't make sense to you, please let us know! It's through your feedback that we can make this codebase more welcoming, so we'll be glad to hear thoughts.
+We want you to feel safe to make mistakes, and ask questions. If anything in this guide or anywhere else in the codebase doesn't make sense to you, please let us know! It's through your feedback that we can make this codebase more welcoming, so we'll be glad to hear thoughts.
 
 You can chat with us in the [#committers-go](https://cucumberbdd.slack.com/archives/CA5NJPDJ4) channel in our [community Slack], or feel free to [raise an issue] if you're experiencing any friction trying make your contribution.
 
@@ -21,4 +21,4 @@ If everything passes, you're ready to hack!
 
 [install go]: https://golang.org/doc/install
 [community Slack]: https://cucumber.io/community#slack
-[raise an issue]: https://github.com/cucumber/godog/issues/new/choose
+[raise an issue]: https://github.com/cucumber/godog/issues/new/choose