Updating history statement

Author: Stephen Baron

articles/service-health/azure-status-overview.md

@@ -19,9 +19,7 @@ The Azure status page gets updated in real time as the health of Azure services
 
 ## Azure status history
 
-While the Azure status page always shows the latest health information, you can view older events using the [Azure status history page](https://status.azure.com/status/history/).
-
-Starting with events that were published in November 2019, the status history page shows events up to 365 days in the past, including a preliminary root cause, mitigation, and next steps for Azure.
+While the Azure status page always shows the latest health information, you can view older events using the [Azure status history page](https://status.azure.com/status/history/). The history page contains all RCAs for incidents that occurred on November 20th, 2019 or later and will - from that date forward - provide a 5-year RCA history. RCAs prior to November 20th, 2019 are not available.
 
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