Fixes typo in delayed docs (#4078)
Fixes typo in delayed docs (#4078)


mrocklin/dask,ContinuumIO/dask,jakirkham/dask,mrocklin/dask,ContinuumIO/dask,dask/dask,jakirkham/dask,jcrist/dask,jcrist/dask,blaze/dask,dask/dask,blaze/dask