clarity of h2

Author: Blackmist

articles/ai-studio/reference/region-support.md

@@ -47,7 +47,7 @@ Azure AI Studio is currently available in preview in the following Azure regions
 
 Azure AI Studio preview is currently not available in Azure Government regions or air-gap regions.
 
-## Azure OpenAI regions
+## Azure OpenAI
 
 [!INCLUDE [OpenAI Quotas](../../ai-services/openai/includes/model-matrix/quota.md)]