SharePoint blurb update, plus edits to other doc

Author: HeidiSteen

articles/search/search-howto-index-sharepoint-online.md

@@ -14,12 +14,13 @@ ms.date: 04/04/2023
 
 # Index data from SharePoint document libraries
 
-> [!IMPORTANT] 
-> SharePoint indexer support is currently in public preview under [Supplemental Terms of Use](https://azure.microsoft.com/support/legal/preview-supplemental-terms/). [Request access](https://aka.ms/azure-cognitive-search/indexer-preview) to this feature, and after access is enabled, use a [preview REST API (2020-06-30-preview or later)](search-api-preview.md) to index your content. There is currently limited portal support and no .NET SDK support.
+> [!IMPORTANT]
+> SharePoint indexer support is in long-term public preview and available under [Supplemental Terms of Use](https://azure.microsoft.com/support/legal/preview-supplemental-terms/). Preview features aren't recommended for production workloads.
+>
+>To use this preview, [request access](https://aka.ms/azure-cognitive-search/indexer-preview), and after access is enabled, use a [preview REST API (2020-06-30-preview or later)](search-api-preview.md) to index your content. There is currently limited portal support and no .NET SDK support.
 
 This article explains how to configure a [search indexer](search-indexer-overview.md) to index documents stored in SharePoint document libraries for full text search in Azure Cognitive Search. Configuration steps are followed by a deeper exploration of behaviors and scenarios you're likely to encounter.
 
-
 ## Functionality
 
 An indexer in Azure Cognitive Search is a crawler that extracts searchable data and metadata from a data source. The SharePoint indexer will connect to your SharePoint site and index documents from one or more document libraries. The indexer provides the following functionality: