Adjust SpectralCoord docs for cleaner output
Adjust SpectralCoord docs for cleaner output

StuartLittlefair/astropy,pllim/astropy,pllim/astropy,pllim/astropy,lpsinger/astropy,astropy/astropy,astropy/astropy,saimn/astropy,aleksandr-bakanov/astropy,saimn/astropy,pllim/astropy,astropy/astropy,aleksandr-bakanov/astropy,StuartLittlefair/astropy,larrybradley/astropy,mhvk/astropy,larrybradley/astropy,pllim/astropy,mhvk/astropy,mhvk/astropy,aleksandr-bakanov/astropy,StuartLittlefair/astropy,StuartLittlefair/astropy,lpsinger/astropy,astropy/astropy,lpsinger/astropy,saimn/astropy,saimn/astropy,saimn/astropy,larrybradley/astropy,lpsinger/astropy,lpsinger/astropy,astropy/astropy,mhvk/astropy,larrybradley/astropy,mhvk/astropy,larrybradley/astropy,StuartLittlefair/astropy,aleksandr-bakanov/astropy