Docs before: https://www.playframework.com/documentation/2.8.x/PlayApplicationOverview: 

```java
public Result index() {
       return ok(views.html.index.render("Your new application is
  return ok(javaguide.hello.html.index.render("Your new application is ready.", assetsFinder));
}
```

According to https://www.playframework.com/documentation/2.8.x/Documentation
```###replace: foo — Replace the next line with foo. You may optionally terminate this command with ###```

The code sample that was to be run, tested, and injected into the documentation was split into multiple lines (likely by an autoformatter) which made the documentation for the java example incorrect. 

This PR changes the 'replace' to one line, and also reduces the whitespace on the left to prevent the autoformatter from splitting the line into two.

Hopefully, the comment has been moved left enough that it won't be split by the formatter. Let's see what the build says