correct link to post-workshop survey

likely was a copy-paste mistake.

episodes/02_week2_discussion_questions.md

@@ -36,7 +36,7 @@ From The Carpentries [Instructor Training curriculum](https://carpentries.github
 Other: 
 
 * Instructor Training [pre-survey](https://carpentries.github.io/assessment-archives/instructor-training-pre/instructor-training-pre.html) and [post-survey](https://carpentries.github.io/assessment-archives/instructor-training-post/instructor-training-post.html).
-* Workshop [pre-survey](https://carpentries.github.io/assessment-archives/pre-workshop/pre-workshop.html) and [post-survey](https://carpentries.github.io/assessment-archives/instructor-training-post/instructor-training-post.html).
+* Workshop [pre-survey](https://carpentries.github.io/assessment-archives/pre-workshop/pre-workshop.html) and [post-survey](https://carpentries.github.io/assessment-archives/post-workshop/post-workshop.html).
 
 
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