go.exp/go/types: Unindent a doc comment that is regular prose.
go.exp/go/types: Unindent a doc comment that is regular prose.

R=golang-dev, minux.ma, gri
CC=golang-dev
https://codereview.appspot.com/8975047

bryanxu/go-zh.exp,webfd/go-zh.exp,d0f/go-zh.exp