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 e577bbde9901a22b63ef880d0dac4502b830dce6..2e692b106630788b817938bbe49a2ac0b2bfc4be 100644 (file)
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -2790,7 +2790,7 @@ include_dir 'conf.d'
       </term>
       <listitem>
        <para>
-        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
         <varname>max_wal_size</> under special circumstances, like
         under heavy load, a failing <varname>archive_command</>, or a high