docs(readme): updated the readme

Author: jan-molak

README.md

@@ -40,7 +40,7 @@ npm test
 ```
 - View the generated reports:
     - **Serenity BDD**: `./target/site/serenity/index.html`
-    - **Playwright Test**; `./playwright-report/index.html`
+    - **Playwright Test**: `./playwright-report/index.html`
 - Serve the Serenity BDD report locally:
 ```
 npm run start