diff --git a/doc/src/sgml/ref/psql-ref.sgml b/doc/src/sgml/ref/psql-ref.sgml
index 90db3fc664..487df74617 100644
--- a/doc/src/sgml/ref/psql-ref.sgml
+++ b/doc/src/sgml/ref/psql-ref.sgml
@@ -916,7 +916,7 @@ testdb=>
         </para>
 
         <para>
-        For some types of relations, <literal>\d</> shows additional information
+        For some types of relation, <literal>\d</> shows additional information
         for each column: column values for sequences, indexed expression for
         indexes and foreign data wrapper options for foreign tables.
         </para>