diff --git a/doc/Extensions/Alerting.md b/doc/Extensions/Alerting.md
index d87d30a11..6a7947f38 100644
--- a/doc/Extensions/Alerting.md
+++ b/doc/Extensions/Alerting.md
@@ -33,6 +33,10 @@ Table of Content:
- [Device](#macros-device)
- [Port](#macros-port)
- [Time](#macros-time)
+- [Additional Options](#extra)
+ - [Max](#extra-max)
+ - [Delay](#extra-delay)
+ - [Interval](#extra-interval)
# About
@@ -633,4 +637,18 @@ Description: Packet loss % value for the device within the last 15 minutes.
Example: `%macros.packet_loss_15m` > 50
+# Additional Options
+Here are some of the other available options for an alert rule.
+
+## Max
+
+The maximum number of alerts sent for the event. `-1` means unlimited.
+
+## Delay
+
+The amount of time to wait after a rule is matched before sending an alert.
+
+## Interval
+
+The interval of time between alerts for an event until Max is reached.