diff --git a/doc/src/sgml/ref/pg_xlogdump.sgml b/doc/src/sgml/ref/pg_xlogdump.sgml
index 445da93..296f1ac 100644
--- a/doc/src/sgml/ref/pg_xlogdump.sgml
+++ b/doc/src/sgml/ref/pg_xlogdump.sgml
@@ -16,7 +16,7 @@ PostgreSQL documentation
 
  <refnamediv>
   <refname>pg_xlogdump</refname>
-  <refpurpose>Display a human-readable rendering of the write-ahead log of a <productname>PostgreSQL</productname> database cluster</refpurpose>
+  <refpurpose>display a human-readable rendering of the write-ahead log of a <productname>PostgreSQL</productname> database cluster</refpurpose>
  </refnamediv>
 
  <refsynopsisdiv>