Update sentinel-limits-analytics-rules.md

Author: yelevin

articles/sentinel/includes/sentinel-limits-analytics-rules.md

@@ -16,7 +16,10 @@ The following limit applies to analytics rules in Microsoft Sentinel.
 | --------- | --------- | --------- |
 | Number of *enabled* rules     | 512 rules       | None |
 | Number of near-real-time (NRT) rules | 50 NRT rules | None |
+| Entity mappings | 10 mappings per rule | None |
+| Entities identified per alert<br>(Divided equally among the mapped entities) | 500 entities per alert | None |
+| Entities cumulative size limit | 64 KB | None |
 | Custom details    | 20 details per rule | None |
 | Custom details cumulative size limit | 2 KB | None |
 | Alerts per rule<br>Applicable when *Event grouping* is set to *Trigger an alert for each event* | 150 alerts | None |
-| Alerts per rule for NRT rules | 30 alerts | None |
+| Alerts per rule for NRT rules | 30 alerts | None |