diff --git a/metatag_dc/README.txt b/metatag_dc/README.txt
index d959218..fb0b0a6 100644
--- a/metatag_dc/README.txt
+++ b/metatag_dc/README.txt
@@ -1,7 +1,7 @@
 Metatag: Dublin Core
 --------------------
-This module adds the fifteen Dublin Core Metadata Element Set [1] to the
-available meta tags, as defined by the Dublin Core Metadata Institute [2].
+This module adds the fifteen Dublin Core Metadata Element Set [1] (plus one) to
+the available meta tags, as defined by the Dublin Core Metadata Institute [2].
 
 The following tags are provided:
 * dcterms.contributor
@@ -12,6 +12,7 @@ The following tags are provided:
 * dcterms.format
 * dcterms.identifier
 * dcterms.language
+* dcterms.modified (additional, not part of the DCES)
 * dcterms.publisher
 * dcterms.relation
 * dcterms.rights
diff --git a/metatag_dc/metatag_dc.metatag.inc b/metatag_dc/metatag_dc.metatag.inc
index 3fdfa0b..8299431 100644
--- a/metatag_dc/metatag_dc.metatag.inc
+++ b/metatag_dc/metatag_dc.metatag.inc
@@ -40,6 +40,7 @@ function metatag_dc_metatag_bundled_config_alter(array &$configs) {
         $config->config += array(
           'dcterms.creator' => array('value' => '[node:author]'),
           'dcterms.date' => array('value' => '[node:created:custom:Y-m-d\TH:iP]'),
+          'dcterms.modified' => array('value' => '[node:changed:custom:Y-m-d\TH:iP]'),
           'dcterms.description' => array('value' => '[node:summary]'),
           'dcterms.language' => array('value' => '[node:language]'),
           'dcterms.title' => array('value' => '[node:title]'),
@@ -154,6 +155,19 @@ function metatag_dc_metatag_info() {
       'type' => 'date',
     ),
   );
+  $info['tags']['dcterms.modified'] = array(
+    'label' => t('Dublin Core Modified Date'),
+    'description' => t('Date on which the resource was changed.'),
+    'class' => 'DrupalTextMetaTag',
+    'group' => 'dublin-core',
+    'element' => array(
+      '#theme' => 'metatag_dc',
+    ),
+    'weight' => ++$weight,
+    'devel_generate' => array(
+      'type' => 'date',
+    ),
+  );
   $info['tags']['dcterms.type'] = array(
     'label' => t('Dublin Core Type'),
     'description' => t('The nature or genre of the resource. Recommended best practice is to use a controlled vocabulary such as the DCMI Type Vocabulary [DCMITYPE]. To describe the file format, physical medium, or dimensions of the resource, use the Format element.'),