added code summary and additional notes

Author: alexwolfmsft

articles/search/includes/quickstarts/search-get-started-rag-dotnet.md

@@ -222,7 +222,7 @@ To access the completed sample app for this article:
     ```
 
 1. Navigate into the `quickstart-rag` folder.
-1. Open the project you want to test in Visual Studio code or Visual Studio.
+1. Open the project you want to test in Visual Studio Code or Visual Studio.
 
 ### Create the sample app
 
@@ -256,10 +256,21 @@ Complete the following steps to create a .NET console app to connect to an AI mo
 
 ## Set up the query and chat thread
 
-Add the following code to connect to and query the Azure AI Search and Azure OpenAI services.
+If you are following along with the completed sample repo, open the project in the `minimal-query` folder. If you created the project yourself, add the following code to connect to and query the Azure AI Search and Azure OpenAI services:
+
+> [!NOTE]
+> Make sure to replace the placeholders for the Azure OpenAI endpoint and model name, as well as the Azure AI Search endpoint and index name.
 
 :::code language="csharp" source="~/azure-search-dotnet-samples/quickstart-rag/minimal-query/Program.cs" :::
 
+The preceding code accomplishes the following:
+
+- Searches an Azure Search index for hotels matching a user query about complimentary breakfast, retrieving hotel name, description, and tags.
+- Formats the search results into a structured list to serve as contextual sources for the generative AI model.
+- Constructs a prompt instructing the Azure OpenAI model to answer using only the provided sources.
+- Sends the prompt to the AI model and streams the generated response.
+- Outputs the AI’s response to the console, displaying both the role and content as it streams.
+
 The output from Azure OpenAI consists of recommendations for several hotels, such as the following example:
 
 ```output