Apply suggestions from code review

Co-authored-by: Julia Kulla-Mader <[email protected]>

Author: vvs11

articles/playwright-testing/quickstart-automate-end-to-end-testing.md

@@ -257,10 +257,10 @@ Once you have access to the reporting tool, use the following steps to set up yo
     ---
 4.Update package.json file with the package.
 
+   ```json
      "dependencies": {
                 "@microsoft/mpt-reporter": "0.1.0-22052024-private-preview"
         }
-
 5.  Update the Playwright config file.
 
     Add Playwright Testing reporter to `Playwright.config.ts` in the same way you use other reporters.