Merge pull request #111785 from LuisCabrer/patch-88

Added a note on incremental enrichment

Author: PRMerger13

articles/search/cognitive-search-predefined-skills.md

@@ -18,6 +18,8 @@ In this article, you learn about the cognitive skills provided with Azure Cognit
 > As you expand scope by increasing the frequency of processing, adding more documents, or adding more AI algorithms, you will need to [attach a billable Cognitive Services resource](cognitive-search-attach-cognitive-services.md). Charges accrue when calling APIs in Cognitive Services, and for image extraction as part of the document-cracking stage in Azure Cognitive Search. There are no charges for text extraction from documents.
 >
 > Execution of built-in skills is charged at the existing [Cognitive Services pay-as-you go price](https://azure.microsoft.com/pricing/details/cognitive-services/). Image extraction pricing is described on the [Azure Cognitive Search pricing page](https://go.microsoft.com/fwlink/?linkid=2042400).
+>
+> The [incremental enrichment (preview)](cognitive-search-incremental-indexing-conceptual.md) feature allows you to provide a cache that enables the indexer to be more efficient at running only the cognitive skills that are necessary if you modify your skillset in the future, saving you time and money.
 
 
 ## Built-in skills