DOC: Fixup docstring.
DOC: Fixup docstring.

Scapogo/zipline,alphaBenj/zipline,bartosh/zipline,quantopian/zipline,umuzungu/zipline,umuzungu/zipline,quantopian/zipline,alphaBenj/zipline,florentchandelier/zipline,wilsonkichoi/zipline,humdings/zipline,magne-max/zipline-ja,florentchandelier/zipline,humdings/zipline,magne-max/zipline-ja,Scapogo/zipline,enigmampc/catalyst,wilsonkichoi/zipline,enigmampc/catalyst,bartosh/zipline