Update AzureSemanticSearchRegion.md

Update Point 2 and Point 3.

Author: Thanusree-Microsoft

docs/AzureSemanticSearchRegion.md

@@ -2,6 +2,6 @@
 
 Steps to Check Semantic Search Availability
 1. Open the [Semantic Search Availability](https://learn.microsoft.com/en-us/azure/search/search-region-support) page.
-2. Scroll down to the **"Availability by Region"** section.
-3. Use the table to find supported regions for **Azure AI Search** and its **Semantic Search** feature.
-4. If your target region is not listed, choose a supported region for deployment.
+2. Scroll down to the **"Azure Public regions"** section.
+3. Use the table to find supported regions for **Azure AI Search** and its **Semantic ranker** feature.
+4. If your target region is not listed, choose a supported region for deployment.