Minor docstring formatting.
Minor docstring formatting.

landlab/landlab,csherwood-usgs/landlab,cmshobe/landlab,ManuSchmi88/landlab,landlab/landlab,SiccarPoint/landlab,cmshobe/landlab,amandersillinois/landlab,ManuSchmi88/landlab,laijingtao/landlab,RondaStrauch/landlab,RondaStrauch/landlab,Carralex/landlab,ManuSchmi88/landlab,csherwood-usgs/landlab,Carralex/landlab,RondaStrauch/landlab,cmshobe/landlab,Carralex/landlab,laijingtao/landlab,SiccarPoint/landlab,landlab/landlab,amandersillinois/landlab