doc: Fix description WAL summarizer in glossary

The WAL summarizer is an auxiliary process.

Oversight in 7b1dbf0a8d1d.

Author: Masahiro Ikeda
Discussion: https://postgr.es/m/d3a5a4278fd8d9e7a47c6aa4db9e9a39@oss.nttdata.com

diff --git a/doc/src/sgml/glossary.sgml b/doc/src/sgml/glossary.sgml
index 487af1fed8869a263d10271ef77950a05f37821e..405fe6dc8b95350dd0f3b1bc7a9ad74405ee6f48 100644 (file)
--- a/doc/src/sgml/glossary.sgml
+++ b/doc/src/sgml/glossary.sgml
@@ -164,6 +164,7 @@
      the WAL archiver,
      the WAL receiver
      (but not the WAL senders),
+     the WAL summarizer,
      and the WAL writer.
     
    
@@ -2199,7 +2200,7 @@
    WAL summarizer (process)
    
     
-     A special backend process
+     An auxiliary process
      that summarizes WAL data for
      incremental backups.