diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 90791dfa2f1..f196c6bc8bd 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -10967,7 +10967,7 @@ table2-mapping
        <entry><literal>[{"f1":1},2,null,3]</literal></entry>
        </row>
       <row>
-       <entry><para><literal>jsonb_set(target jsonb, path text[], new_value jsonb<optional>, <parameter>create_missing</parameter> <type>boolean</type></optional>)</literal>
+       <entry><para><literal>jsonb_set(target jsonb, path text[], new_value jsonb <optional>, create_missing boolean</optional>)</literal>
          </para></entry>
        <entry><para><type>jsonb</type></para></entry>
        <entry>
@@ -10975,10 +10975,10 @@ table2-mapping
          with the section designated by <replaceable>path</replaceable>
          replaced by <replaceable>new_value</replaceable>, or with
          <replaceable>new_value</replaceable> added if
-         <replaceable>create_missing</replaceable> is true ( default is
+         <replaceable>create_missing</replaceable> is true (default is
          <literal>true</>) and the item
          designated by <replaceable>path</replaceable> does not exist.
-         As with the path orientated operators, negative integers that
+         As with the path oriented operators, negative integers that
          appear in <replaceable>path</replaceable> count from the end
          of JSON arrays.
        </entry>