roadmap/2021.md

@@ -299,6 +299,9 @@ December. This section discusses the results of that survey and tries
 to draw general (qualitative) conclusions from that (quantitative)
 data.
 
+This was done in [issue 40061](https://gitlab.torproject.org/tpo/tpa/team/-/issues/40061), and data analysis in [issue
+40106](https://gitlab.torproject.org/tpo/tpa/team/-/issues/40106).
+
 ## Respondents information
 
  * **26 responses**: 12 full, 14 partial