pgsql: Fix some typos in jsonpath documentation - Mailing list pgsql-committers

Fix some typos in jsonpath documentation

Discussion: https://postgr.es/m/8B7FA3B4-328D-43D7-95A8-37B8891B8C78%40winand.at
Author: Markus Winand
Backpatch-through: 12

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/1f33f211bc531d257f84fefb9208dd43e8718972

Modified Files
--------------
doc/src/sgml/func.sgml | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)