fix link

Author: jmcarlock

solutions/security/advanced-entity-analytics/anomaly-detection.md

@@ -22,7 +22,7 @@ Anomaly detection jobs allow you to to identify anomalous events or patterns in
 
 
 ::::{tip}
-See [anomaly detection](/explore-analyze/machine-learning/anomaly-detection.md) and [About detection rules](solutions/security/detect-and-alert/about-detection-rules) for more background.
+See [anomaly detection](/explore-analyze/machine-learning/anomaly-detection.md) and [About detection rules](solutions/security/detect-and-alert/about-detection-rules.md) for more background.
 ::::