docs: fix spacing around "if not exists" brackets

Reported-by: Fabrízio de Royes Mello

Discussion: https://postgr.es/m/CAFcNs+qDD+QKcF8YCPQnjAxoWN61qY_YdFLB3iQqbWCLSCyY0g@mail.gmail.com

Author: Fabrízio de Royes Mello
This commit is contained in:
Bruce Momjian 2018-03-29 21:25:32 -04:00
parent 34c20de4d0
commit 3da7502cd0
2 changed files with 2 additions and 2 deletions