sentence case headings

Author: ethanpalm

advanced/subpath/route53-cloudfront.mdx

@@ -31,7 +31,7 @@ When using CloudFront with Vercel deployments, CloudFront automatically adds the
 
 Make sure your CloudFront distribution is configured to forward this header to your origin by including it in your origin request policy or cache policy headers configuration.
 
-## Create Cloudfront Distribution
+## Create Cloudfront distribution
 
 Navigate to [Cloudfront](https://aws.amazon.com/cloudfront) inside the AWS console and click on `Create distribution`
 
@@ -58,7 +58,7 @@ And for **Web Application Firewall (WAF)**, enable security protections
 
 The remaining settings should be default. Click `Create distribution`.
 
-## Add Default Origin
+## Add default origin
 
 After creating the distribution, navigate to the `Origins` tab.
 
@@ -88,7 +88,7 @@ Once you have the staging URL, ours for instance is [mintlify-landing-page.verce
 
 By this point, you should have two Origins - one with `[SUBDOMAIN].mintlify.app` and another with with staging URL.
 
-## Set Behaviors
+## Set behaviors
 
 Behaviors in Cloudfront enables control over the subpath logic. At a high level, we're looking to create the following logic.
 
@@ -133,7 +133,7 @@ We're going to change the default behavior's **Origin and origin groups** to the
 
 Click on `Save changes`.
 
-## Preview Distribution
+## Preview distribution
 
 You can now test if your distribution is set up properly by going to the `General` tab and visiting the **Distribution domain name** URL.