diff --git a/src/opnsense/service/templates/OPNsense/IDS/custom.yaml.sample b/src/opnsense/service/templates/OPNsense/IDS/custom.yaml.sample
index fe8f738a9..f729ee9ea 100644
--- a/src/opnsense/service/templates/OPNsense/IDS/custom.yaml.sample
+++ b/src/opnsense/service/templates/OPNsense/IDS/custom.yaml.sample
@@ -1,2 +1,3 @@
 %YAML 1.1
-# empty stub for custom modifications
+---
+# empty stub for custom modifications, add custom persistent config below