typo fix (#710)

* Guide through the GItHub auth flow

* change `Development` to `Mintlify`

* reviewer feedback

* typo

Author: ethanpalm

quickstart.mdx

@@ -40,7 +40,7 @@ You can install the GitHub App by following the instructions from the onboarding
 1. Navigate to **Settings** in your Mintlify dashboard.
 2. Select **GitHub App** from the sidebar.
 3. Select **Install GitHub App**. This will open a new tab to the GitHub App installation page.
-4. Select the organization or user account where you want to install the app. Then select the repositories that you want t oconnect.
+4. Select the organization or user account where you want to install the app. Then select the repositories that you want to connect.
 
 <Frame>
   <img src="/images/quickstart/github-app-installation-light.png" alt="GitHub App Installation" className="block dark:hidden" />