Update code-repositories.md

src/introduction/code-repositories.md

@@ -26,8 +26,11 @@ repository as a pull request that is made when your repository is first
 initialized. To trigger the TA's to start reviewing your master branch, you can
 also use this pull request (PRs). It will be named `Feedback #1` and can be
 found by clicking `Pull requests`, then the `Feedback #1` PR. You can then ask
-for a review from the TAs; either user `anneriet` or `prince-ph0en1x`. Also see the
-figure below: **This is not available this year because there is only 1 TA and I am very busy, sorry. If you have questions/want feedback, please come to me during the lab or use the Brightspace forum.**
+for a review from the TAs; ping TAs on Discord: `Yongding Tian` or `Vaatbak` 
+(create a new `Feedback` branch if it does not exist). 
+Also see the figure below: 
+
+[//]: <> (**This is not available this year because there is only 1 TA and I am very busy, sorry. If you have questions/want feedback, please come to me during the lab or use the Brightspace forum.**)
 
 ![Where to find the pull requests and ask for review](../assets/images/review_request.png)