Add missing doc changes for ee80f043bc

Per note from Tom Lane

doc/src/sgml/ref/psql-ref.sgml

@@ -1011,8 +1011,9 @@ testdb=>
         Lists tablespaces. If <replaceable
         class="parameter">pattern</replaceable>
         is specified, only tablespaces whose names match the pattern are shown.
-        If <literal>+</literal> is appended to the command name, each object
+        If <literal>+</literal> is appended to the command name, each tablespace
-        is listed with its associated permissions.
+        is listed with its associated options, on-disk size, permissions and
+        description.
         </para>
         </listitem>
       </varlistentry>