diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 8a347bec62c..02877e808ce 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -14437,11 +14437,11 @@ CREATE TYPE rainbow AS ENUM ('red', 'orange', 'yellow', 'green', 'blue', 'purple
      <row>
       <entry role="func_table_entry">
        <para role="func_signature">
-        <type>gen_random_uuid</type>
+        <type>gen_random_uuid()</type>
         <returnvalue>uuid</returnvalue>
        </para>
        <para role="func_signature">
-        <type>uuidv4</type>
+        <type>uuidv4()</type>
         <returnvalue>uuid</returnvalue>
        </para>
        <para>