fix whitespace and rst syntax
fix whitespace and rst syntax

astropy/astropy,mhvk/astropy,stargaser/astropy,lpsinger/astropy,bsipocz/astropy,dhomeier/astropy,bsipocz/astropy,stargaser/astropy,MSeifert04/astropy,pllim/astropy,mhvk/astropy,astropy/astropy,MSeifert04/astropy,dhomeier/astropy,StuartLittlefair/astropy,larrybradley/astropy,bsipocz/astropy,StuartLittlefair/astropy,saimn/astropy,stargaser/astropy,bsipocz/astropy,lpsinger/astropy,mhvk/astropy,aleksandr-bakanov/astropy,StuartLittlefair/astropy,pllim/astropy,aleksandr-bakanov/astropy,StuartLittlefair/astropy,larrybradley/astropy,aleksandr-bakanov/astropy,mhvk/astropy,dhomeier/astropy,astropy/astropy,pllim/astropy,larrybradley/astropy,saimn/astropy,MSeifert04/astropy,pllim/astropy,lpsinger/astropy,saimn/astropy,StuartLittlefair/astropy,MSeifert04/astropy,stargaser/astropy,mhvk/astropy,aleksandr-bakanov/astropy,lpsinger/astropy,dhomeier/astropy,saimn/astropy,larrybradley/astropy,saimn/astropy,lpsinger/astropy,larrybradley/astropy,astropy/astropy,astropy/astropy,dhomeier/astropy,pllim/astropy