fix heading

Author: alexwolfmsft

docs/ai/quickstarts/quickstart-openai-summarize-text.md

@@ -83,6 +83,8 @@ Complete the following steps to create a .NET console app to connect to an AI se
 
 :::zone target="docs" pivot="openai"
 
+## Configure the app
+
 1. From a terminal or command prompt, run the following commands to configure your OpenAI API key as a secret for the sample app:
 
     ```bash
@@ -98,7 +100,6 @@ Complete the following steps to create a .NET console app to connect to an AI se
 
 :::zone-end
 
-
 ## Add the app code
 
 The app uses the [`Microsoft.SemanticKernel`](https://www.nuget.org/packages/Microsoft.SemanticKernel) package to send and receive requests to the OpenAI service.