Add a bit more context. Fixes #1065 (#1161)

docs/azureai/azureai-openai-component.md

@@ -2,7 +2,7 @@
 title: .NET Aspire Azure AI OpenAI component
 description: Learn how to use the .NET Aspire Azure AI OpenAI component.
 ms.topic: how-to
-ms.date: 06/05/2024
+ms.date: 06/26/2024
 ---
 
 # .NET Aspire Azure AI OpenAI component
@@ -102,7 +102,7 @@ When using a connection string from the `ConnectionStrings` configuration sectio
 builder.AddAzureAIOpenAI("openAiConnectionName");
 ```
 
-And then the connection string will be retrieved from the `ConnectionStrings` configuration section:
+The connection string is retrieved from the `ConnectionStrings` configuration section, and there are two supported formats, either the account endpoint used in conjunction with the default Azure credential or a connection string with the account key.
 
 #### Account endpoint
 
@@ -123,7 +123,7 @@ Alternatively, a custom connection string can be used.
 ```json
 {
   "ConnectionStrings": {
-    "openaiConnectionName": "Endpoint=https://{account_name}.openai.azure.com/;Key={account_key};"
+    "openAiConnectionName": "Endpoint=https://{account_name}.openai.azure.com/;Key={account_key};"
   }
 }
 ```