diff --git a/doc/src/sgml/ref/create_function.sgml b/doc/src/sgml/ref/create_function.sgml
index 48160b255e3..a87b1a114c8 100644
--- a/doc/src/sgml/ref/create_function.sgml
+++ b/doc/src/sgml/ref/create_function.sgml
@@ -134,8 +134,9 @@ CREATE [ OR REPLACE ] FUNCTION
 
      <listitem>
       <para>
-       The name of an argument. Some languages (currently only PL/pgSQL) let
-       you use the name in the function body.  For other languages the
+       The name of an argument. Some languages (currently only SQL and
+       PL/pgSQL)
+       let you use the name in the function body.  For other languages the
        name of an input argument is just extra documentation, so far as
        the function itself is concerned; but you can use input argument names
        when calling a function to improve readability (see <xref