diff --git a/doc/src/sgml/release-11.sgml b/doc/src/sgml/release-11.sgml
index dedeb9d..0e4a0f8 100644
--- a/doc/src/sgml/release-11.sgml
+++ b/doc/src/sgml/release-11.sgml
@@ -374,7 +374,7 @@
        </para>
 
        <para>
-        These function are now present by default.  Old <link
+        These functions are now present by default.  Old <link
         linkend="adminpack"><application>adminpack</application></link>
         installs will continue to have access to these functions until
         they are updated via <command>ALTER EXTENSION ... UPDATE</command>.