Fix typo
Fix typo

Co-authored-by: Simon Conseil <1a73af9e7ae00182733b2292511b814be66f065f@saimon.org>
StuartLittlefair/astropy,saimn/astropy,larrybradley/astropy,pllim/astropy,saimn/astropy,larrybradley/astropy,mhvk/astropy,aleksandr-bakanov/astropy,lpsinger/astropy,mhvk/astropy,pllim/astropy,pllim/astropy,astropy/astropy,lpsinger/astropy,aleksandr-bakanov/astropy,aleksandr-bakanov/astropy,larrybradley/astropy,lpsinger/astropy,StuartLittlefair/astropy,mhvk/astropy,larrybradley/astropy,StuartLittlefair/astropy,StuartLittlefair/astropy,mhvk/astropy,astropy/astropy,pllim/astropy,larrybradley/astropy,aleksandr-bakanov/astropy,astropy/astropy,saimn/astropy,astropy/astropy,saimn/astropy,astropy/astropy,mhvk/astropy,lpsinger/astropy,lpsinger/astropy,pllim/astropy,saimn/astropy,StuartLittlefair/astropy