Update articles/operator-nexus/overview.md

Author: Jak-MS

articles/operator-nexus/overview.md

@@ -105,7 +105,7 @@ Azure Operator Nexus automatically streams the metrics and logs from the operato
 
 Log Analytics has rich analytical tools that operators can use for troubleshooting or correlating for operational insights. Operators can also use Azure Monitor to specify alerts.
 
-### Regions Available
+### Regions available
 
 Nexus service is available in numerous regions to ensure users can access resources with minimal latency, regardless of their location.