Fix typo
Fix typo

Co-authored-by: P. L. Lim <01b0ff1ff6bf52826e8c867754553ed4806180a6@users.noreply.github.com>
larrybradley/astropy,mhvk/astropy,lpsinger/astropy,astropy/astropy,pllim/astropy,astropy/astropy,lpsinger/astropy,mhvk/astropy,mhvk/astropy,larrybradley/astropy,larrybradley/astropy,mhvk/astropy,pllim/astropy,astropy/astropy,astropy/astropy,larrybradley/astropy,lpsinger/astropy,pllim/astropy,lpsinger/astropy,pllim/astropy,lpsinger/astropy,astropy/astropy,larrybradley/astropy,pllim/astropy,mhvk/astropy