diff --git a/docs/content/en/docs-dev/operator-manual/piped/configuring-notifications.md b/docs/content/en/docs-dev/operator-manual/piped/configuring-notifications.md
index 514364ea11..61d300fb23 100644
--- a/docs/content/en/docs-dev/operator-manual/piped/configuring-notifications.md
+++ b/docs/content/en/docs-dev/operator-manual/piped/configuring-notifications.md
@@ -26,6 +26,7 @@ Below is the list of supporting event names and their groups.
 | DEPLOYMENT_SUCCEEDED | DEPLOYMENT | <p style="text-align: center;"><input type="checkbox" checked disabled></p> |
 | DEPLOYMENT_FAILED | DEPLOYMENT | <p style="text-align: center;"><input type="checkbox" checked disabled></p> |
 | DEPLOYMENT_CANCELLED | DEPLOYMENT | <p style="text-align: center;"><input type="checkbox" checked disabled></p> |
+| DEPLOYMENT_TRIGGER_FAILED | DEPLOYMENT | <p style="text-align: center;"><input type="checkbox" checked disabled></p> |
 | APPLICATION_SYNCED | APPLICATION_SYNC | <p style="text-align: center;"><input type="checkbox" disabled></p> |
 | APPLICATION_OUT_OF_SYNC | APPLICATION_SYNC | <p style="text-align: center;"><input type="checkbox" disabled></p> |
 | APPLICATION_HEALTHY | APPLICATION_HEALTH | <p style="text-align: center;"><input type="checkbox" disabled></p> |