diff --git a/brian_polling_manager/interfaces.py b/brian_polling_manager/interfaces.py
index a82105d5c6459e605e0fdc7a3a614e2342a85908..97afa3eda45460625f4184bd5f71779e42e2612e 100644
--- a/brian_polling_manager/interfaces.py
+++ b/brian_polling_manager/interfaces.py
@@ -26,6 +26,7 @@ class InterfaceCheck(sensu.AbstractCheck):
     @sensu.AbstractCheck.name.getter
     def name(self):
         # fix POL1-386 - replace : in interface name with .
+        # see https://docs.sensu.io/sensu-go/latest/observability-pipeline/observe-schedule/checks/#metadata-attributes
         ifc_name = self.interface['name'].replace('/', '-').replace(':', '.')
         return f'ifc-{self.interface["router"]}-{ifc_name}'