Merge pull request #250500 from lindazqli/patch-2

Update use-your-data.md

Author: prmerger-automator[bot]

articles/ai-services/openai/concepts/use-your-data.md

@@ -148,7 +148,7 @@ When using the API, pass the `filter` parameter in each API request. For example
 
 ## Schedule automatic index refreshes
 
-To keep your Azure Cognitive Search index up-to-date with your latest data, you can schedule a refresh for it that runs automatically rather than manually updating it every time your data is updated. to enable an automatic index refresh:
+To keep your Azure Cognitive Search index up-to-date with your latest data, you can schedule a refresh for it that runs automatically rather than manually updating it every time your data is updated. Automatic index refresh is only available when you choose **blob storage** as the data source. To enable an automatic index refresh:
 
 1. [Add a data source](../quickstart.md) using Azure OpenAI studio.
 1. Under **Select or add data source** select **Indexer schedule** and choose the refresh cadence you would like to apply.