[pgpool-committers: 4632] pgpool: Improve watchdog documents.

[Tatsuo Ishii]

Improve watchdog documents.

Branch
------
V3_6_STABLE

Details
-------
https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=61dbb770f68cff3ea55d9eb713247289530c1688

Modified Files
--------------
doc.ja/src/sgml/advanced.sgml | 4 ++--
doc/src/sgml/advanced.sgml    | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)