Backticks

Signed-off-by: Tim Hansen <timbonicus@gmail.com>

docs/auth/gitlab/provider.md

@@ -47,8 +47,8 @@ The GitLab provider is a structure with three configuration keys:
 
 ## Adding the provider to the Backstage frontend
 
-To add the provider to the frontend, add the gitlabAuthApi reference and
-SignInPage component to `createApp` in `packages/app/src/App.tsx`:
+To add the provider to the frontend, add the `gitlabAuthApi` reference and
+`SignInPage` component to `createApp` in `packages/app/src/App.tsx`:
 
 ```diff
 + import { gitlabAuthApiRef, SignInConfig, SignInPage } from '@backstage/core';