Update enUS.lua

[Hollicsh]

Added some phrases.

Type of changes

• [ ] Bug fix
• [ ] New feature
• [ ] Item fix
• [ ] Documentation
• [ ] Other

Checklist

• [ ] I've tested what I've added
• [ ] I've updated AUTHORS.md with my name (if I want to)

Description

Please describe your changes here. If this fixes a bug, please link to the issue, if possible.

[t-mart]

Thanks! Please see my comment in #55.

[t-mart]

Closed after cherry-pick on #55.