diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 63dfab2009b..81c9c2e0a31 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -12255,7 +12255,7 @@ SELECT NULLIF(value, '(none)') ...
        <row>
         <entry>
          <literal>
-          <function>array_fill</function>(<type>anyelement</type>, <type>int[]</type>,
+          <function>array_fill</function>(<type>anyelement</type>, <type>int[]</type>
           <optional>, <type>int[]</type></optional>)
          </literal>
         </entry>