doc: update IRC reference to Libera.Chat

diff --git a/README b/README
index 98d3791b76f62bc4dfa83ba20ee074daeffaebd5..b0d8ff226f6ced616241e3a367e5d9792a5d54f4 100644 (file)
--- a/README
+++ b/README
@@ -54,7 +54,7 @@ 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