Removed and extra "to" after autoprefixer
### Autoprefixer Required
-We don't include vendor prefixes in our Sass files—instead, we let [Autoprefixer](https://github.com/postcss/autoprefixer) to handle it for us. Our build process uses [gulp-autoprefixer](https://github.com/sindresorhus/gulp-autoprefixer), but there are [other versions](https://github.com/postcss/autoprefixer#usage) that work with Grunt, Rails, Brunch, and more.
+We don't include vendor prefixes in our Sass files—instead, we let [Autoprefixer](https://github.com/postcss/autoprefixer) handle it for us. Our build process uses [gulp-autoprefixer](https://github.com/sindresorhus/gulp-autoprefixer), but there are [other versions](https://github.com/postcss/autoprefixer#usage) that work with Grunt, Rails, Brunch, and more.
To get the proper browser support, use these Autoprefixer settings: