doc: update IRC reference to Libera.Chat

diff --git a/README b/README
index 962658ae5a71fd3dffe51e08d8bfbe3648b34784..34aa2e941cd712a4728c94ccb4d375d8709bffd9 100644 (file)
--- a/README
+++ b/README
@@ -118,7 +118,7 @@ Mailing list
 IRC
 ---
 
-You can find the sigrok developers in the #sigrok IRC channel on Freenode.
+You can find the sigrok developers in the #sigrok IRC channel on Libera.Chat.
 
 
 Website