doc: clarify that max_wal_size is "during" checkpoints

Previous wording was "between".

Reported-by: Pavel Luzanov
Discussion: https://postgr.es/m/26906a54-d7cb-2f8e-eed7-e31660024694@postgrespro.ru

Backpatch-through: 9.5

diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 606e80df0ed095548b3c0375ce7a3b0fd57f59f7..c4ba49ffaf58a38d4684ed6e07424e884dde71a4 100644 (file)
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -3219,7 +3219,7 @@ include_dir 'conf.d'
       
       
        
-        Maximum size to let the WAL grow to between automatic WAL
+        Maximum size to let the WAL grow during automatic
         checkpoints. This is a soft limit; WAL size can exceed
         max_wal_size under special circumstances, such as
         heavy load, a failing archive_command, or a high