Docs: github-mode: Improve wording for redirect_uri

docs/src/content/pages/github-mode.mdoc

@@ -112,12 +112,12 @@ Keystatic will only list branches starting with `my-prefix/` in the Admin UI, an
 
 ## Add `redirect_uri`
 
-When you authorize on a server and get the folloging Error from Github, you need to mofify the Github application.
+When you authorize on a server and get the following Error from Github, you need to mofify the Github application settings.
 > Be careful!
 > The `redirect_uri´ is not associated with this application.
 > The application might be misconfigured or could be trying to redirect you to a website you weren't expecting.
 
-To add another redirect URL:
+To add a redirect URL:
 
 1. Go to the [list of app "Installed Github Apps"](https://docs.github.com/en/apps/using-github-apps/reviewing-and-modifying-installed-github-apps#navigating-to-the-github-app-you-want-to-review-or-modify)
    - For Users: [Deeplink](https://github.com/settings/installations)
@@ -127,9 +127,9 @@ To add another redirect URL:
    - For Users: `https://github.com/settings/apps/<PUBLIC_KEYSTATIC_GITHUB_APP_SLUG>`
    - For Organisations: `https://github.com/organizations/<OrgaName>/settings/apps/<PUBLIC_KEYSTATIC_GITHUB_APP_SLUG>`
 
-3. Use "Add Callback URL" to add the additional URL and save
+3. Use "Add Callback URL" > Add the additional URL > Save
 
-Now retry the authentication.
+Now try reloading the authentication page.
 
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