diff --git a/doc/src/sgml/ref/alter_sequence.sgml b/doc/src/sgml/ref/alter_sequence.sgml
index 3a04d07..190c8d6 100644
--- a/doc/src/sgml/ref/alter_sequence.sgml
+++ b/doc/src/sgml/ref/alter_sequence.sgml
@@ -89,7 +89,7 @@ ALTER SEQUENCE [ IF EXISTS ] <replaceable class="parameter">name</replaceable> S
         The optional
         clause <literal>AS <replaceable class="parameter">data_type</replaceable></literal>
         changes the data type of the sequence.  Valid types are
-        are <literal>smallint</literal>, <literal>integer</literal>,
+        <literal>smallint</literal>, <literal>integer</literal>,
         and <literal>bigint</literal>.
        </para>
 
diff --git a/doc/src/sgml/ref/create_sequence.sgml b/doc/src/sgml/ref/create_sequence.sgml
index f1448e7..2af8c8d 100644
--- a/doc/src/sgml/ref/create_sequence.sgml
+++ b/doc/src/sgml/ref/create_sequence.sgml
@@ -119,7 +119,7 @@ SELECT * FROM <replaceable>name</replaceable>;
       The optional
       clause <literal>AS <replaceable class="parameter">data_type</replaceable></literal>
       specifies the data type of the sequence.  Valid types are
-      are <literal>smallint</literal>, <literal>integer</literal>,
+      <literal>smallint</literal>, <literal>integer</literal>,
       and <literal>bigint</literal>.  <literal>bigint</literal> is the
       default.  The data type determines the default minimum and maximum
       values of the sequence.