Fixed a typo in the readme for 1.0.1.
Fixed a typo in the readme for 1.0.1.

quentinyang/validate.js,AlexR1712/validate.js,xiebaochun/validate.js,releu/validate.js,milonfci/validate.js,artshpakov/validate.js,rickharrison/validate.js,daytonn/validate.js,cemoulto/validate.js