diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index f043433e31..31b3ff6a20 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -2147,7 +2147,7 @@ include_dir 'conf.d'
       process called the <firstterm>background writer</firstterm>, whose function
       is to issue writes of <quote>dirty</quote> (new or modified) shared
       buffers.  It writes shared buffers so server processes handling
-      user queries seldom or never need to wait for a write to occur.
+      user queries seldom or never need to wait for such writes to occur.
       However, the background writer does cause a net overall
       increase in I/O load, because while a repeatedly-dirtied page might
       otherwise be written only once per checkpoint interval, the