docs: fix style inconsistencies in postman tutorial and migrate overview (#102)

Co-authored-by: mintlify[bot] <109931778+mintlify[bot]@users.noreply.github.com>

Author: mintlify[bot]

enterprise-api/posts/lookup/migrate/overview.mdx

@@ -5,7 +5,7 @@ keywords: ["post lookup migration", "lookup migrate", "v1.1 to v2 lookup", "look
 ---
 
 
-## Comparing X API’s Posts Lookup Endpoints
+## Comparing X API’s Posts lookup endpoints
 
 The v2 Posts lookup endpoints replace the standard v1.1 [GET statuses/lookup](https://developer.x.com/en/docs/twitter-api/v1/tweets/post-and-engage/api-reference/get-statuses-lookup) and [GET statuses/show](https://developer.x.com/en/docs/twitter-api/v1/tweets/post-and-engage/api-reference/get-statuses-show-id) endpoints. This guide is for developers migrating from these older versions to X API v2.
 

tutorials/postman-getting-started.mdx

@@ -145,7 +145,7 @@ You will want to update your Callback URL to match the callback url associated w
 *   Your callback URL (also known as the redirect URL). This must match what you have in your App's authentication settings.
 *   State - state
 
-When you are ready can click “Get New Access Token” to generate an Access Token. If you see a dialog box that says something went wrong you may need to press the back button to login. You will need to authorize your app to have access to your account by clicking where it says “Authorize app” in the dialog box.
+When you are ready, click “Get New Access Token” to generate an Access Token. If you see a dialog box that says something went wrong, you may need to click the back button to log in. You will need to authorize your app to have access to your account by clicking “Authorize app” in the dialog box.
 
 After you authorize your app you will be directed back to Postman where you can see your token and select the "Use Token" button to start making requests on behalf of an authorized user.
 

x-api/posts/lookup/migrate/overview.mdx

@@ -4,7 +4,7 @@ sidebarTitle: Overview
 keywords: ["post lookup migration", "lookup migrate", "v1.1 to v2 lookup", "lookup migration guide", "migrate lookup"]
 ---
 
-## Comparing X API’s Posts Lookup Endpoints
+## Comparing X API’s Posts lookup endpoints
 
 The v2 Posts lookup endpoints replace the standard v1.1 [GET statuses/lookup](https://developer.x.com/en/docs/twitter-api/v1/tweets/post-and-engage/api-reference/get-statuses-lookup) and [GET statuses/show](https://developer.x.com/en/docs/twitter-api/v1/tweets/post-and-engage/api-reference/get-statuses-show-id) endpoints. This guide is for developers migrating from these older versions to X API v2.