diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
index 905f975e..a38b40f1 100644
--- a/.github/ISSUE_TEMPLATE.md
+++ b/.github/ISSUE_TEMPLATE.md
@@ -1,15 +1,7 @@
 <!--
 
-If you are encountering the error
-
-  element xref: validity error : IDREF attribute linkend references an unknown ID "opt-home.file._name__.source"
-
-then it means that you are using an old version of Home Manager, such
-as the release-20.03 branch, with a recent version of Nixpkgs, such as
-version 20.09 or master. See https://git.io/JTb6K for more.
-
-In general, please check if there already exists a relevant issue
-before creating a new one.
+Please check if there already exists a relevant issue before creating
+a new one.
 
 -->
 
@@ -17,7 +9,8 @@ before creating a new one.
 
 <!--
 Please describe the issue. For support and help please use the IRC
-channel #home-manager @ freenode.net instead.
+channel #home-manager at irc.oftc.net or Matrix room
+https://matrix.to/#/#hm:rycee.net instead.
 -->
 
 ### Meta