diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index f8fd6bb..17c9aac 100644
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -1,7 +1,7 @@
 1.4.1
 -------
 
-- Replaced sphinx with manticore 5.0.2
+- Replaced sphinx with manticore 5.0.2, see https://www.mailpiler.org/wiki/current:manticore
 - Replaced obsoleted libchart library with chart.js
 - Added real-time index support