diff --git a/doc/src/sgml/ref/create_index.sgml b/doc/src/sgml/ref/create_index.sgml
index 944fdb4b09..cb4b43f637 100644
--- a/doc/src/sgml/ref/create_index.sgml
+++ b/doc/src/sgml/ref/create_index.sgml
@@ -154,9 +154,8 @@ CREATE [ UNIQUE ] INDEX [ CONCURRENTLY ] [ [ IF NOT EXISTS ] <replaceable class=
       <listitem>
        <para>
         The optional <literal>USING</literal> clause specifies an index
-        type as described in <xref linkend="indexes-types"/>.  If not
-        specified, a default index type will be used based on the
-        data types of the columns.
+        type as described in <xref linkend="indexes-types"/>.  The
+        default is <literal>btree</literal>.
        </para>
       </listitem>
      </varlistentry>