edits to sharepoint indexer warning for enrichment cache

Author: HeidiSteen

articles/search/cognitive-search-incremental-indexing-conceptual.md

@@ -179,7 +179,8 @@ REST API version `2020-06-30-Preview` or later provides incremental enrichment t
 
 ## Limitations
 
-If you are using [SharePoint indexer (Preview](search-howto-index-sharepoint-online.md), it is not recommended that the Incremental enrichment feature is used. There are conditions that may rise when indexing with this preview feature that would require to reset the indexer and invalidate the cache.
+> [!WARNING]
+> If you're using the [SharePoint Online indexer (Preview](search-howto-index-sharepoint-online.md), you should avoid incremental enrichment. Under certain conditions, the cache becomes invalid, requiring you to reset and rerun the indexer if you choose to reload the cache.
 
 ## Next steps
 

articles/search/search-howto-incremental-index.md

@@ -27,6 +27,9 @@ Azure Storage is used to store cached enrichments. The storage account must be [
 
 Preview APIs or beta Azure SDKs are required for enabling cache on an indexer. The portal does not currently provide an option for caching enrichment.
 
+> [!WARNING]
+> If you're using the [SharePoint Online indexer (Preview](search-howto-index-sharepoint-online.md), you should avoid incremental enrichment. Under certain conditions, the cache becomes invalid, requiring you to reset and rerun the indexer if you choose to reload the cache.
+
 ## Enable on new indexers
 
 On new indexers, add the "cache" property in the indexer definition payload when calling [Create or Update Indexer (2021-04-30-Preview)](/rest/api/searchservice/preview-api/create-or-update-indexer). You can also use the previous preview API version, 2020-06-30-Preview.