diff --git a/README.md b/README.md
index 751e2a6..927ab7b 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 > System monitoring and observability (alternative to Prometheus & Grafana)
 
-TODO: authentication
+TODO: authentication, see https://learn.netdata.cloud/docs/netdata-agent/securing-netdata-agents/
 
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