normalize casing

Author: jaffrepaul

docs/guides/overview/why-cypress.mdx

@@ -120,7 +120,7 @@ do that no other testing framework can:
   or videos of your entire test suite when run from the CLI. Record to
   [Cypress Cloud](/guides/cloud/introduction) to store them with your test
   results for zero-configuration debugging.
-- **Cross browser Testing:** Run tests within Firefox and Chrome-family browsers
+- **Cross Browser Testing:** Run tests within Firefox and Chrome-family browsers
   (including Edge and Electron) locally and
   [optimally in a Continuous Integration pipeline](/guides/guides/cross-browser-testing).
 - **Smart Orchestration:** Once you're set up to record to Cypress Cloud, easily

docs/guides/references/best-practices.mdx

@@ -290,7 +290,7 @@ If you're familiar with Cypress commands already, but find yourself using
 For working with either of these patterns, please read our
 [Variables and Aliases guide](/guides/core-concepts/variables-and-aliases).
 
-## Visiting external sites
+## Visiting External Sites
 
 :::danger
 
@@ -447,7 +447,7 @@ email's functionality and visual style:
    environment variables. Some email services already provide
    [Cypress plugins](/plugins#Email) to access emails.
 
-## Having tests rely on the state of previous tests
+## Having Tests Rely On The State Of Previous Tests
 
 :::danger
 
@@ -578,7 +578,7 @@ We're also paving the way to make it less complicated to write multiple tests
 against the "default" state of the form. That way each test stays lean but each
 can be run independently and pass.
 
-## Creating "tiny" tests with a single assertion <E2EOnlyBadge />
+## Creating "Tiny" Tests With A Single Assertion <E2EOnlyBadge />
 
 :::danger
 
@@ -664,7 +664,7 @@ describe('my form', () => {
 })
 ```
 
-## Using `after` or `afterEach` hooks
+## Using `after` Or `afterEach` Hooks
 
 :::danger
 
@@ -1011,7 +1011,7 @@ Are you trying to run in CI?
 We have
 [examples showing you how to start and stop your web server](/guides/continuous-integration/introduction#Boot-your-server).
 
-## Setting a global baseUrl
+## Setting a Global `baseUrl`
 
 :::danger