Doc: use "an SQL" instead of "a SQL" Although which is correct depends entirely on whether you pronounce SQL as "ess-que-ell" or "sequel", we have standardized on the former in our user-facing documentation, so use the correct article according to that pronunciation. Discussion: https://postgr.es/m/CAApHDvp3osQwQam+wNTp9BdhP+QfWO6aY6ZTixQQMfM-UArKCw@mail.gmail.com