Update IRC network from Freenode to Libera Chat.
This was forgotten when the channel moved from Freenode to Libera Chat.
diff --git a/linux/Documentation/xz.txt b/linux/Documentation/xz.txt
index f2cd6a8..b1a743e 100644
--- a/linux/Documentation/xz.txt
+++ b/linux/Documentation/xz.txt
@@ -111,7 +111,7 @@
latest code.
Report bugs to <xz@tukaani.org> or visit #tukaani on
- Freenode and talk to the maintainers. We don't actively read LKML or
+ Libera Chat and talk to the maintainers. We don't actively read LKML or
other kernel-related mailing lists, so if there's something we should
know, please use email or IRC.
