diff --git a/.tx/config b/.tx/config
index 60eb07ec..1d871022 100644
--- a/.tx/config
+++ b/.tx/config
@@ -38,6 +38,11 @@ file_filter = plugins/kolab_folders/localization/<lang>.inc
 source_file = plugins/kolab_folders/localization/en_US.inc
 source_lang = en_US
 
+[kolab.kolab_tags]
+file_filter = plugins/kolab_tags/localization/<lang>.inc
+source_file = plugins/kolab_tags/localization/en_US.inc
+source_lang = en_US
+
 [kolab.owncloud]
 file_filter = plugins/owncloud/localization/<lang>.inc
 source_file = plugins/owncloud/localization/en_US.inc
diff --git a/plugins/calendar/localization/en_US.inc b/plugins/calendar/localization/en_US.inc
index d950daa3..e52f62ac 100644
--- a/plugins/calendar/localization/en_US.inc
+++ b/plugins/calendar/localization/en_US.inc
@@ -1,5 +1,13 @@
 <?php
 
+/**
+ * Localizations for Kolab Calendar plugin
+ *
+ * Copyright (C) 2014, Kolab Systems AG
+ *
+ * For translation see https://www.transifex.com/projects/p/kolab/resource/calendar/
+ */
+
 $labels = array();
 
 // preferences
diff --git a/plugins/kolab_addressbook/localization/en_US.inc b/plugins/kolab_addressbook/localization/en_US.inc
index 11a45817..ed9e367a 100644
--- a/plugins/kolab_addressbook/localization/en_US.inc
+++ b/plugins/kolab_addressbook/localization/en_US.inc
@@ -1,5 +1,13 @@
 <?php
 
+/**
+ * Localizations for the Kolab Address Book plugin
+ *
+ * Copyright (C) 2014, Kolab Systems AG
+ *
+ * For translation see https://www.transifex.com/projects/p/kolab/resource/kolab_addressbook/
+ */
+
 $labels = array();
 $labels['initials'] = 'Initials';
 $labels['profession'] = 'Profession';
diff --git a/plugins/kolab_auth/localization/en_US.inc b/plugins/kolab_auth/localization/en_US.inc
index e1adb3f2..2a7b2465 100644
--- a/plugins/kolab_auth/localization/en_US.inc
+++ b/plugins/kolab_auth/localization/en_US.inc
@@ -1,5 +1,13 @@
 <?php
 
+/**
+ * Localizations for the Kolab Auth plugin
+ *
+ * Copyright (C) 2014, Kolab Systems AG
+ *
+ * For translation see https://www.transifex.com/projects/p/kolab/resource/kolab_auth/
+ */
+
 $labels['loginas'] = 'Login As';
 
 ?>
diff --git a/plugins/kolab_delegation/localization/en_US.inc b/plugins/kolab_delegation/localization/en_US.inc
index cfbbfdf5..94ceb9e7 100644
--- a/plugins/kolab_delegation/localization/en_US.inc
+++ b/plugins/kolab_delegation/localization/en_US.inc
@@ -1,5 +1,13 @@
 <?php
 
+/**
+ * Localizations for the Kolab Delegation plugin
+ *
+ * Copyright (C) 2014, Kolab Systems AG
+ *
+ * For translation see https://www.transifex.com/projects/p/kolab/resource/kolab_delegation/
+ */
+
 $labels = array();
 
 $labels['tabtitle'] = 'Delegation';
diff --git a/plugins/kolab_files/localization/en_US.inc b/plugins/kolab_files/localization/en_US.inc
index b521d85f..a1fc8145 100644
--- a/plugins/kolab_files/localization/en_US.inc
+++ b/plugins/kolab_files/localization/en_US.inc
@@ -1,5 +1,13 @@
 <?php
 
+/**
+ * Localizations for the Kolab Files plugin
+ *
+ * Copyright (C) 2014, Kolab Systems AG
+ *
+ * For translation see https://www.transifex.com/projects/p/kolab/resource/kolab_files/
+ */
+
 $labels['files'] = 'Files';
 $labels['filepreview'] = 'File preview';
 $labels['saveall'] = 'Save all to cloud...';
diff --git a/plugins/kolab_folders/localization/en_US.inc b/plugins/kolab_folders/localization/en_US.inc
index 3dd54a46..0d8d86c1 100644
--- a/plugins/kolab_folders/localization/en_US.inc
+++ b/plugins/kolab_folders/localization/en_US.inc
@@ -1,5 +1,13 @@
 <?php
 
+/**
+ * Localizations for the Kolab Folders plugin
+ *
+ * Copyright (C) 2014, Kolab Systems AG
+ *
+ * For translation see https://www.transifex.com/projects/p/kolab/resource/kolab_folders/
+ */
+
 $labels = array();
 
 $labels['folderctype'] = 'Content type';
diff --git a/plugins/kolab_notes/localization/en_US.inc b/plugins/kolab_notes/localization/en_US.inc
index 3816c0ff..591e3184 100644
--- a/plugins/kolab_notes/localization/en_US.inc
+++ b/plugins/kolab_notes/localization/en_US.inc
@@ -1,5 +1,13 @@
 <?php
 
+/**
+ * Localizations for the Kolab Notes plugin
+ *
+ * Copyright (C) 2014, Kolab Systems AG
+ *
+ * For translation see https://www.transifex.com/projects/p/kolab/resource/kolab_notes/
+ */
+
 $labels = array();
 $labels['navtitle'] = 'Notes';
 $labels['tags'] = 'Tags';
diff --git a/plugins/kolab_tags/localization/en_US.inc b/plugins/kolab_tags/localization/en_US.inc
index 36b3031a..a3bcfa14 100644
--- a/plugins/kolab_tags/localization/en_US.inc
+++ b/plugins/kolab_tags/localization/en_US.inc
@@ -1,5 +1,13 @@
 <?php
 
+/**
+ * Localizations for the Kolab Tags plugin
+ *
+ * Copyright (C) 2014, Kolab Systems AG
+ *
+ * For translation see https://www.transifex.com/projects/p/kolab/resource/kolab_tags/
+ */
+
 $labels['tags'] = 'Tags';
 $labels['unset'] = 'Unselect all';
 $labels['manage'] = 'Manage tags...';
diff --git a/plugins/libcalendaring/localization/en_US.inc b/plugins/libcalendaring/localization/en_US.inc
index 68ddab6b..5ad34ed5 100644
--- a/plugins/libcalendaring/localization/en_US.inc
+++ b/plugins/libcalendaring/localization/en_US.inc
@@ -1,5 +1,13 @@
 <?php
 
+/**
+ * Localizations for the Kolab calendaring utilities plugin
+ *
+ * Copyright (C) 2014, Kolab Systems AG
+ *
+ * For translation see https://www.transifex.com/projects/p/kolab/resource/libcalendaring/
+ */
+
 $labels = array();
 
 // words for spoken dates
diff --git a/plugins/tasklist/localization/en_US.inc b/plugins/tasklist/localization/en_US.inc
index 41323274..1dcba626 100644
--- a/plugins/tasklist/localization/en_US.inc
+++ b/plugins/tasklist/localization/en_US.inc
@@ -1,5 +1,13 @@
 <?php
 
+/**
+ * Localizations for the Kolab Tasks plugin
+ *
+ * Copyright (C) 2014, Kolab Systems AG
+ *
+ * For translation see https://www.transifex.com/projects/p/kolab/resource/tasklist/
+ */
+
 $labels = array();
 $labels['navtitle'] = 'Tasks';
 $labels['lists'] = 'Tasklists';