Fixed typo in docstrings of read_sql_table method (#4114)
Fixed typo in docstrings of read_sql_table method (#4114)

Since this is an example for read_sql_table, "dd.read_sql" should be "dd.read_sql_table"
dask/dask,mrocklin/dask,dask/dask,jakirkham/dask,ContinuumIO/dask,jakirkham/dask,jcrist/dask,jcrist/dask,ContinuumIO/dask,blaze/dask,blaze/dask,mrocklin/dask