* Fixed some spelling mistakes
shorcut to shortcut (Also, I can not understand what the sentence on line 4 means, it could be reworded.)
proeminent to prominent
featue to feature
* fix spelling mistake
hearby to hereby
* Update custom_video_settings.stkgui
Change label titles to conform to title case typographical convention.
* Update custom_video_settings.stkgui
Sentence case for everything.