Update cross-region-overview.md

Author: mahipdeora

articles/load-balancer/cross-region-overview.md

@@ -37,7 +37,7 @@ Configure regional redundancy by adding a global frontend public IP address to y
 
 If one region fails, the traffic is routed to the next closest healthy regional load balancer.  
 
-The health probe of the cross-region load balancer gathers information about availability of each regional load balancer every 20 seconds. If one regional load balancer drops its availability to 0, cross-region load balancer detects the failure. The regional load balancer is then taken out of rotation. 
+The health probe of the cross-region load balancer gathers information about availability of each regional load balancer every 5 seconds. If one regional load balancer drops its availability to 0, cross-region load balancer detects the failure. The regional load balancer is then taken out of rotation. 
 
 :::image type="content" source="./media/cross-region-overview/global-region-view.png" alt-text="Diagram of global region traffic view." border="true":::