service/prometheus.md

@@ -1825,7 +1825,8 @@ link to that in the alert's `playbook` annotation.
 What belong here are only alerts that truly don't have any other place
 to go, or that are completely generic to any service (e.g. `JobDown`
 is in its place here). Generic operating system issues like "disk
-full" or else *must* be documented elsewhere.
+full" or else *must* be documented elsewhere, typically in
+[incident-response](howto/incident-response).
 
 ### Troubleshooting missing metrics