diff --git a/nodewords.admin.inc b/nodewords.admin.inc
index eccc00c..5fe4410 100644
--- a/nodewords.admin.inc
+++ b/nodewords.admin.inc
@@ -139,6 +139,11 @@ function nodewords_custom_pages_edit($form_state, $page = NULL) {
   );
 
   if (empty($nodewords_form)) {
+    $form['warning'] = array(
+      '#value' => t('You have not yet enabled any <a href="@url">meta tags for edit forms</a>.', array('@url' => url('admin/content/nodewords'))),
+      '#prefix' => '<div class="messages warning">',
+      '#suffix' => '</div>',
+    );
     return $form;
   }
   else {
@@ -429,7 +434,14 @@ function nodewords_tags_form(&$form_state, $type = NODEWORDS_TYPE_DEFAULT, $id =
     )
   );
 
-  if (!empty($form['nodewords'])) {
+  if (empty($form['nodewords'])) {
+    $form['warning'] = array(
+      '#value' => t('You have not yet enabled any <a href="@url">meta tags for edit forms</a>.', array('@url' => url('admin/content/nodewords'))),
+      '#prefix' => '<div class="messages warning">',
+      '#suffix' => '</div>',
+    );
+  }
+  else {
     $form['nodewords']['#tree'] = TRUE;
 
     $form['submit'] = array(