diff --git a/docs/maintenance.md b/docs/maintenance.md
index 883a23cfc31369e60975eeef4f96906873a8f4ee..2816e2782f4f589006a42a65550ff7bf5850e1ae 100644
--- a/docs/maintenance.md
+++ b/docs/maintenance.md
@@ -50,6 +50,10 @@ Filter out redundant `flux` messages:
 
     { app = "flux" } !~ "(unchanged | event=refreshed | method=Sync | component=checkpoint)"
 
+Debug oauth2 single sign-on with rocketchat:
+
+    {container_name=~"(hydra|rocketchat)"}
+
 
 #### Cert-manager