corrected the grammar of option descriptions (#10589)
corrected the grammar of option descriptions (#10589)

* corrected the grammar of option descriptions

* added comment

kaicataldo/babel,jridgewell/babel,jridgewell/babel,kaicataldo/babel,hzoo/babel,jridgewell/babel,jridgewell/babel,kaicataldo/babel,babel/babel,hzoo/babel,kaicataldo/babel,hzoo/babel,babel/babel,hzoo/babel,babel/babel,babel/babel