Document pref better in README.rst
Document pref better in README.rst

dragos/scalariform,dragos/scalariform,triggerNZ/scalariform,adriaanm/scalariform,pinghe/scalariform,daniel-trinh/scalariform,yu-iskw/scalariform,dastbe/scalariform,triggerNZ/scalariform,raboof/scalariform,ornicar/scalariform,yu-iskw/scalariform,pvlugter/scalariform,ornicar/scalariform,pvlugter/scalariform,dastbe/scalariform,kahosato/scalariform,daniel-trinh/scalariform,raboof/scalariform,SethTisue/scalariform,adriaanm/scalariform,pinghe/scalariform,SethTisue/scalariform,kahosato/scalariform