Marks (highlights) only half of word

Should it be this way?

Info:
Lang: Kotlin
Android Studio 3.4
SonarLint v4.0.2.3009

Also, why do you suggest people register on your JIRA, if I dont automatically have a permission to add bugs?

Where is this suggested?

Can you also clarify what IDE you’re using, version of SonarLint…

I updated the top. Should I include more info?

Where is this suggested?

Here:

Visit our issue tracker, fork SonarLint on GitHub and submit pull requests.