doc: adjust to_timestamp()/to_date() wording

Bruce Momjian <bruce@momjian.us>

Commit: d0217d5ef2b8c44fa786f7f96c514684a0a04b28
Author: Bruce Momjian <bruce@momjian.us>
Date: 2019-07-09T03:04:02Z
Releases: 12.0
doc:  adjust to_timestamp()/to_date() wording

Discussion: https://postgr.es/m/20190706202425.GA16933@telsasoft.com

Author: Justin Pryzby

Backpatch-through: 12

Files

PathChange+/−
doc/src/sgml/func.sgml modified +6 −6

Documentation touched