doc: update IRC reference to Libera.Chat

diff --git a/README b/README
index c71b143766637b13a0109c03c9eddbeec88f1053..b802721b45ba4cbe5cec0cbaac861c15052ea83d 100644 (file)
--- a/README
+++ b/README
@@ -38,7 +38,7 @@ 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