clarified API key usage

Author: HeidiSteen

articles/search/tutorial-document-extraction-image-verbalization.md

@@ -85,7 +85,7 @@ The following instructions apply to Azure Storage which provides the sample data
 
 ### Copy a search service URL and API key
 
-For this tutorial, connections to Azure AI Search require an endpoint and an API key. You can get these values from the Azure portal. For alternative connection methods, see [Connect to a search service](search-get-started-rbac.md).
+For this tutorial, your REST client connection to Azure AI Search requires an endpoint and an API key. You can get these values from the Azure portal. For alternative connection methods, see [Connect to a search service](search-get-started-rbac.md).
 
 1. Sign in to the [Azure portal](https://portal.azure.com), navigate to the search service **Overview** page, and copy the URL. An example endpoint might look like `https://mydemo.search.windows.net`.
 

articles/search/tutorial-document-extraction-multimodal-embeddings.md

@@ -85,7 +85,7 @@ The following instructions apply to Azure Storage which provides the sample data
 
 ### Copy a search service URL and API key
 
-For this tutorial, connections to Azure AI Search require an endpoint and an API key. You can get these values from the Azure portal. For alternative connection methods, see [Connect to a search service](search-get-started-rbac.md).
+For this tutorial, your REST client connection to Azure AI Search requires an endpoint and an API key. You can get these values from the Azure portal. For alternative connection methods, see [Connect to a search service](search-get-started-rbac.md).
 
 1. Sign in to the [Azure portal](https://portal.azure.com), navigate to the search service **Overview** page, and copy the URL. An example endpoint might look like `https://mydemo.search.windows.net`.
 

articles/search/tutorial-document-layout-image-verbalization.md

@@ -84,7 +84,7 @@ The following instructions apply to Azure Storage which provides the sample data
 
 ### Copy a search service URL and API key
 
-For this tutorial, connections to Azure AI Search require an endpoint and an API key. You can get these values from the Azure portal. For alternative connection methods, see [Connect to a search service](search-get-started-rbac.md).
+For this tutorial, your REST client connection to Azure AI Search requires an endpoint and an API key. You can get these values from the Azure portal. For alternative connection methods, see [Connect to a search service](search-get-started-rbac.md).
 
 1. Sign in to the [Azure portal](https://portal.azure.com), navigate to the search service **Overview** page, and copy the URL. An example endpoint might look like `https://mydemo.search.windows.net`.
 

articles/search/tutorial-document-layout-multimodal-embeddings.md

@@ -82,7 +82,7 @@ The following instructions apply to Azure Storage which provides the sample data
 
 ### Copy a search service URL and API key
 
-For this tutorial, connections to Azure AI Search require an endpoint and an API key. You can get these values from the Azure portal. For alternative connection methods, see [Connect to a search service](search-get-started-rbac.md).
+For this tutorial, your REST client connection to Azure AI Search requires an endpoint and an API key. You can get these values from the Azure portal. For alternative connection methods, see [Connect to a search service](search-get-started-rbac.md).
 
 1. Sign in to the [Azure portal](https://portal.azure.com), navigate to the search service **Overview** page, and copy the URL. An example endpoint might look like `https://mydemo.search.windows.net`.