diff --git a/README.txt b/README.txt
index d0583e0..0144eab 100644
--- a/README.txt
+++ b/README.txt
@@ -1,2 +1,4 @@
 BuddyCheck is a tool querying the systemd health through Prometheus Node Exporter.
 Reference buddycheck(1) for details.
+
+Idea originated in https://progress.opensuse.org/issues/165935.