diff --git a/demo/tmgmt_demo.install b/demo/tmgmt_demo.install
index 5d226f2..7399b5a 100644
--- a/demo/tmgmt_demo.install
+++ b/demo/tmgmt_demo.install
@@ -11,7 +11,7 @@
 function tmgmt_demo_install() {
   include_once DRUPAL_ROOT . '/includes/locale.inc';
   // Add German to the language list.
-  if (!in_array('de', language_list())) {
+  if (!array_key_exists('de', language_list())) {
     locale_add_language('de');
   }
 
diff --git a/demo/tmgmt_demo.module b/demo/tmgmt_demo.module
index b3d9bbc..8055604 100644
--- a/demo/tmgmt_demo.module
+++ b/demo/tmgmt_demo.module
@@ -1 +1,26 @@
 <?php
+
+/*
+ * Implements hook_menu ()
+ */
+function tmgmt_demo_menu() {
+// Add links to the navigation menu, leading to documentation.
+  $items['documentation_local_translator'] = array(
+    'title' => 'Documentation for Local Translator',
+    'type' => MENU_NORMAL_ITEM,
+    'access arguments' => array('access content'),
+    'page callback' => 'drupal_goto',
+    'page arguments' => array('https://drupal.org/node/2047601'),
+  );
+
+  $items['documentation_file_export'] = array(
+    'title' => 'Documentation for File Export',
+    'type' => MENU_NORMAL_ITEM,
+    'access arguments' => array('access content'),
+    'page callback' => 'drupal_goto',
+    'page arguments' => array('https://drupal.org/node/1490370'),
+  );
+
+  return($items);
+}
+