Typo fix in README
Typo fix in README

stoprocent/VGParallaxHeader,phaibin/VGParallaxHeader,zilaiyedaren/VGParallaxHeader,apascual/VGParallaxHeader,apascual/VGParallaxHeader,achyusuf/VGParallaxHeader,zilaiyedaren/VGParallaxHeader,achyusuf/VGParallaxHeader,stoprocent/VGParallaxHeader,stoprocent/VGParallaxHeader,zilaiyedaren/VGParallaxHeader,phaibin/VGParallaxHeader,untouchable741/VGParallaxHeader,achyusuf/VGParallaxHeader,ajijoyo/VGParallaxHeader,apascual/VGParallaxHeader,phaibin/VGParallaxHeader,untouchable741/VGParallaxHeader,untouchable741/VGParallaxHeader,ajijoyo/VGParallaxHeader,ajijoyo/VGParallaxHeader