Configuration 'peekWidgetDefaultFocus' has it's description mispelled

[GustavoASC]

The configuration peekWidgetDefaultFocus has it's description mispelled on Settings screen.
It shows openeing when the correct is opening.

I'll make a pull request to fix this.

Version: 1.42.0-insider
Commit: be9c724
Date: 2020-01-29T05:36:49.901Z
Electron: 6.1.6
Chrome: 76.0.3809.146
Node.js: 12.4.0
V8: 7.6.303.31-electron.0
OS: Linux x64 5.3.0-29-generic

Steps to Reproduce:

1. Open settings
2. Look for 'Peek Widget Default Focus'.

Does this issue occur when all extensions are disabled?: Yes