Doc: trivial wording adjustment.
authorTom Lane <tgl@sss.pgh.pa.us>
Thu, 6 May 2021 13:59:11 +0000 (09:59 -0400)
committerTom Lane <tgl@sss.pgh.pa.us>
Thu, 6 May 2021 13:59:11 +0000 (09:59 -0400)
commitc38cadc0907a8d071b043b2b32b83efa09db38ea
tree3c187229f3ee24a4ddcccd550dcfb9b50fd33062
parent448b02c00515ba9d6683a8a97fe4305604d80028
Doc: trivial wording adjustment.

Improve self-referential foreign key example, per suggestion
from David Johnston.

Discussion: https://postgr.es/m/CAKFQuwZTke7+HUn4YUGqu2+gAPi4Cy18TXMrg_Z5nADkxfPNMw@mail.gmail.com
doc/src/sgml/ddl.sgml