Update linked-audiences-limits.md

Author: wilwong-twilio

src/engage/audiences/linked-audiences-limits.md

@@ -31,6 +31,8 @@ Name | Limit | Details
 ---- | ----- | --------
 RETL row limit | 150 million | The audience compute fails if the total output exceeds the limit. This limit is the sum of the total linked audience profile membership count and the total number of entity relationships for the profiles in the audience.
 RETL column limit | 500 columns | The audience compute fails if the number of columns exceeds the limit. 
+Audience event throughout | 500 RPS per audience | At an individual audience-level, Linked Audiences emit profile change events at 500 RPS. If you need a higher limit, contact [friends@segment.com](mailto:friends@segment.com){:target="_blank"}.
+Global audience event throughout | 1.5K RPS within any given space | At the global space-level, Linked Audiences emit profile change events at 1.5K RPS. If you need a higher global limit, contact [friends@segment.com](mailto:friends@segment.com){:target="_blank"}.
 Global concurrent audience runs | 5 total within any given space | New audience runs are queued once the limit is reached and will start execution once prior audience runs complete. If you need a higher global concurrent audience runs limit, contact [friends@segment.com](mailto:friends@segment.com){:target="_blank"}.
 Event Size | 32 KB | Segment doesn’t emit messages for profiles whose total related entities and enrichments exceed the limit.
 Data Graph depth | 6 | You can't save a Data Graph if you exceed the limit.