9989: Fix two more “a”/“an” typos (this time the other way) r=lnicola a=steffahn
Follow-up to #9987
you guys are still merging these fast 😅
_this time I thought – for sure – that I’d get this commit into #9987 before it’s merged…_
Co-authored-by: Frank Steffahn <frank.steffahn@stu.uni-kiel.de>