Update sample-builder.md

fixing heading and tag issues

Author: tayaras

articles/communication-services/tutorials/virtual-visits/sample-builder.md

@@ -70,10 +70,10 @@ The following tutorial goes into more depth on how you can set this up.
 
 
 
-# Tutorial: Building a Virtual Appointment Sample
+## Tutorial: Building a Virtual Appointment Sample
 In this section, we're going to use a Sample Builder tool to deploy a Microsoft 365 + Azure hybrid virtual appointments application to an Azure subscription. This application is a desktop and mobile-friendly browser experience, with code that you can use to explore and make the final product. 
 
-## Step 0: Configure Microsoft 365 Bookings (Optional)
+### Step 0: Configure Microsoft 365 Bookings (Optional)
 
 The Sample builder provides an option to configure the sample using M365 Bookings. This allows the bookings app to power the consumer scheduling experience and create meetings for providers.  
 
@@ -94,9 +94,9 @@ And then, make sure "Add online meeting" is enabled.
 
 
 
-## Step 1: Creating a Sample in the Builder
+### Step 1: Creating a Sample in the Builder
 
-### Prerequisites
+#### Prerequisites
 To use the Sample Builder, you need:
 - An active Azure subscription
 - Admin permissions to deploy resources in Azure
@@ -119,7 +119,7 @@ As you progress through the wizard, click through different setting to see what
 [ ![Screenshot of Sample builder start page.](../media/virtual-visits/sample-builder-themes-4.25.png)](../media/virtual-visits/sample-builder-themes-4.25.png#lightbox)
 
 
-## Step 2: Deploy
+### Step 2: Deploy
 At the end of the Sample Builder wizard, you are met with three options. You can deploy to Azure, download the code as a zip, or clone to Github. The sample builder code is publicly available on [GitHub](https://github.com/Azure-Samples/communication-services-virtual-visits-js).
 
 [ ![Screenshot of Sample builder deployment page.](../media/virtual-visits/sample-builder-landing-4.25.png)](../media/virtual-visits/sample-builder-landing-4.25.png#lightbox)
@@ -132,7 +132,7 @@ After walking through the ARM template, you can **Go to resource group**.
 
 ![Screenshot of a completed Azure Resource Manager Template.](../media/virtual-visits/azure-complete-deployment-4.25.png)
 
-## Step 3: Test
+### Step 3: Test
 The Sample Builder creates three resources in the selected Azure subscriptions. The **App Service** is the consumer front end, powered by Azure Communication Services.
 
 ![Screenshot of produced azure resources in azure portal.](../media/virtual-visits/azure-resources-4.25.png)
@@ -141,15 +141,15 @@ Opening the App Service's URL and navigating to `https://<YOUR URL>/VISIT` allow
 
 ![Screenshot of final view of azure app service.](../media/virtual-visits/azure-resource-final-4.25.png)
 
-## Step 4: Set deployed app URL in Bookings 
+### Step 4: Set deployed app URL in Bookings 
 
 If using Bookings, enter the application URL followed by "/visit" in the "Deployed App URL" field at https://outlook.office.com/bookings/businessinformation. Otherwise, ignore this step.
 
-# Going to production
+## Going to production
 Congrats! You've deployed a custom sample. As you transition to production, consider the following
 
 ### Launching patterns
-Consumers often want to join their virtual appointment directly from the reminders sent by Bookings. To support this, Bookings lets you specify a URL prefix that will be included in those reminders. For example, if your prefix is https://<YOUR URL>/visit, the reminders will direct users to https://<YOUR URL>/visit?MEETINGURL=<MEETING URL>.
+Consumers often want to join their virtual appointment directly from the reminders sent by Bookings. To support this, Bookings lets you specify a URL prefix that will be included in those reminders. For example, if your prefix is `https://<YOUR URL>/visit`, the reminders will direct users to `https://<YOUR URL>/visit?MEETINGURL=<MEETING URL>`.
 
 ### Integrate into your existing app
 The app service generated by the Sample Builder is a standalone experience optimized for desktop and mobile browsers. If you already have an existing website or mobile app, you can adapt the provided code to fit into your current codebase.
@@ -161,7 +161,7 @@ For more flexibility and customization, consider using:
 ### Identity & security
 The sample app issues ACS access tokens without user authentication. In production, implement secure user auth (e.g., Azure AD B2C). [Azure Communication Services user access tokens](../../quickstarts/identity/access-tokens.md)
 
-# Next steps
+## Next steps
 - [Overview of virtual appointments](../../concepts/interop/virtual-visits/overview.md)
 - [Learn about Teams controls](../../concepts/interop/guest/teams-administration.md).
 - [Govern user experience in Teams meetings](../../concepts/interop/virtual-visits/govern-meeting-experience.md)