2 files changed, 22 insertions, 3 deletions
diff --git a/doc/src/sgml/information_schema.sgml b/doc/src/sgml/information_schema.sgml
index d8e42e4f630..df806a3c853 100644
--- a/doc/src/sgml/information_schema.sgml
+++ b/doc/src/sgml/information_schema.sgml
@@ -3839,7 +3839,7 @@ ORDER BY c.ordinal_position;
      <row>
       <entry><literal>object_type</literal></entry>
       <entry><type>character_data</type></entry>
-      <entry><literal>COLLATION</literal> or <literal>DOMAIN</literal> or <literal>FOREIGN DATA WRAPPER</literal> or <literal>FOREIGN SERVER</literal></entry>
+      <entry><literal>COLLATION</literal> or <literal>DOMAIN</literal> or <literal>FOREIGN DATA WRAPPER</literal> or <literal>FOREIGN SERVER</literal> or <literal>SEQUENCE</literal></entry>
      </row>
 
      <row>
@@ -5859,7 +5859,7 @@ ORDER BY c.ordinal_position;
    <literal>USAGE</literal> privileges granted on various kinds of
    objects to a currently enabled role or by a currently enabled role.
    In <productname>PostgreSQL</productname>, this currently applies to
-   collations, domains, foreign-data wrappers, and foreign servers.  There is one
+   collations, domains, foreign-data wrappers, foreign servers, and sequences.  There is one
    row for each combination of object, grantor, and grantee.
   </para>
 
@@ -5871,6 +5871,13 @@ ORDER BY c.ordinal_position;
    object types, however, show real privileges.
   </para>
 
+  <para>
+   In PostgreSQL, sequences also support <literal>SELECT</literal>
+   and <literal>UPDATE</literal> privileges in addition to
+   the <literal>USAGE</literal> privilege.  These are nonstandard and therefore
+   not visible in the information schema.
+  </para>
+
   <table>
    <title><literal>usage_privileges</literal> Columns</title>
 
@@ -5918,7 +5925,7 @@ ORDER BY c.ordinal_position;
      <row>
       <entry><literal>object_type</literal></entry>
       <entry><type>character_data</type></entry>
-      <entry><literal>COLLATION</literal> or <literal>DOMAIN</literal> or <literal>FOREIGN DATA WRAPPER</literal> or <literal>FOREIGN SERVER</literal></entry>
+      <entry><literal>COLLATION</literal> or <literal>DOMAIN</literal> or <literal>FOREIGN DATA WRAPPER</literal> or <literal>FOREIGN SERVER</literal> or <literal>SEQUENCE</literal></entry>
      </row>
 
      <row>
diff --git a/doc/src/sgml/ref/grant.sgml b/doc/src/sgml/ref/grant.sgml
index c5edaed153a..05f98bb6bb5 100644
--- a/doc/src/sgml/ref/grant.sgml
+++ b/doc/src/sgml/ref/grant.sgml
@@ -643,6 +643,18 @@ GRANT admins TO joe;
    </para>
 
    <para>
+    In the SQL standard, sequences only have a <literal>USAGE</literal>
+    privilege, which controls the use of the <literal>NEXT VALUE FOR</literal>
+    expression, which is equivalent to the
+    function <function>nextval</function> in PostgreSQL.  The sequence
+    privileges <literal>SELECT</literal> and <literal>UPDATE</literal> are
+    PostgreSQL extensions.  The application of the
+    sequence <literal>USAGE</literal> privilege to
+    the <literal>currval</literal> function is also a PostgreSQL extension (as
+    is the function itself).
+   </para>
+
+   <para>
     Privileges on databases, tablespaces, schemas, and languages are
     <productname>PostgreSQL</productname> extensions.
    </para>