DOC: Fix typo in command line to ingest quandl
DOC: Fix typo in command line to ingest quandl

Usage: zipline ingest [OPTIONS]

  Ingest the data for the given bundle.

Options:
  -b, --bundle BUNDLE-NAME        The data bundle to ingest.  [default:
                                  quantopian-quandl]

  <...>

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