diff --git a/extensions/openpower-pels/registry/README.md b/extensions/openpower-pels/registry/README.md
index 51702ca..f1c90f9 100644
--- a/extensions/openpower-pels/registry/README.md
+++ b/extensions/openpower-pels/registry/README.md
@@ -117,7 +117,8 @@
 if not supplied the code will fill them in based on those fields.
 
 In fact, even if supplied here, the code may still modify them to ensure they
-are correct.
+are correct.  The rules used for this are
+[here](../README.md#action-flags-and-event-type-rules).
 
 ```
 "ActionFlags": ["service_action", "report", "call_home"]