diff --git a/book/basic-features/utterances.md b/book/basic-features/utterances.md
index 097c3a3..18d5321 100644
--- a/book/basic-features/utterances.md
+++ b/book/basic-features/utterances.md
@@ -2,7 +2,12 @@
 
 [Utterances 🔮](https://utteranc.es/) is a lightweight open-source widget which allows you, your colleages and your students to discuss stuff in a blog post in your book. It is build on GitHub issues, so requires a GitHub repository, although the book can be hosted anywhere (so also on GitLab).
 
-The [utterances website](https://utteranc.es/) clearly explains the required steps. The given script can be added anywhere in your book, just copy the html-script into your `.md`-file or a markdown cell in your `.ipynb`-file. The blogpost is not visible when you do a local build of the book, build it online or use a local python server as shown in {ref}`setup-local-server`.
+The [utterances website](https://utteranc.es/) clearly explains the required steps. One thing to take care of is how you want to do the issue-mapping with respect to multiple deployed versions (draft version, student version, archived versions):
+ 
+ - `Issue title contains page pathname`/`Issue title contains page URL` is useful if you want to isolate the comments on each of the branches.
+ - `Issue title contains page title` is useful if you want to show the all comments on all different branches.
+
+The given script can be added anywhere in your book, just copy the html-script into your `.md`-file or a markdown cell in your `.ipynb`-file. The blogpost is not visible when you do a local build of the book, build it online or use a local python server as shown in {ref}`setup-local-server`.
 
 Users need to have a GitHub-account to post a message. Although this might be a burden, it allows students to track their previous posts and set up notifications on follow-up posts.