SLING-8418 added notice about maintenance branch
diff --git a/README.md b/README.md
index 4df8cdc..085cd59 100644
--- a/README.md
+++ b/README.md
@@ -2,4 +2,6 @@
 
 # Apache Sling Startup Filter Disabler
 
-This module is **obsolete** - use Felix HC [Service Unavailable Filter](https://github.com/apache/felix/blob/trunk/healthcheck/README.md#service-unavailable-filter) as e.g. configured in [Sling Starter](https://github.com/apache/sling-org-apache-sling-starter/blob/a16fb43f1d0333f74b066844e0377d93ca1e1e08/src/main/provisioning/healthcheck.txt#L86) instead.
\ No newline at end of file
+This module is **obsolete** - use Felix HC [Service Unavailable Filter](https://github.com/apache/felix/blob/trunk/healthcheck/README.md#service-unavailable-filter) as e.g. configured in [Sling Starter](https://github.com/apache/sling-org-apache-sling-starter/blob/a16fb43f1d0333f74b066844e0377d93ca1e1e08/src/main/provisioning/healthcheck.txt#L86) instead.
+
+For reference or potential bugfix releases use branch [maintenance](https://github.com/apache/sling-org-apache-sling-startupfilter-disabler/tree/maintenance)
\ No newline at end of file