diff --git a/rst/source/index.rst b/rst/source/index.rst
index 351b4c82e..78660a54a 100644
--- a/rst/source/index.rst
+++ b/rst/source/index.rst
@@ -12,16 +12,17 @@ Architecture Overview
 ---------------------
 
 .. _Django 1.9: https://docs.djangoproject.com/en/1.9/
-.. _Django authentication: https://docs.djangoproject.com/en/1.7/topics/auth/
+.. _Django authentication: https://docs.djangoproject.com/en/1.9/topics/auth/
 .. _django-registration-redux: http://django-registration-redux.readthedocs.org/en/latest/
-.. _Django file storage: https://docs.djangoproject.com/en/1.7/topics/files/
-.. _Filetracker: ../../../../lib/filetracker/rst/build/html/index.html
+.. _Django file storage: https://docs.djangoproject.com/en/1.9/topics/files/
+.. _Filetracker: https://github.com/sio2project/filetracker
+.. _Sioworkers: https://github.com/sio2project/sioworkers
 .. _Celery: http://docs.celeryproject.org/en/latest/index.html
 .. _djcelery: http://docs.celeryproject.org/en/latest/django/index.html
 .. _django-pagination: https://code.google.com/p/django-pagination/
 .. _django-nose: https://github.com/jbalogh/django-nose
 .. _selenium: http://www.seleniumhq.org/
-.. _Django i18n: https://docs.djangoproject.com/en/1.7/topics/i18n/
+.. _Django i18n: https://docs.djangoproject.com/en/1.9/topics/i18n/
 .. _Transifex: https://www.transifex.com/projects/p/sio2project/
 
 The OIOIOI source code is a standard `Django 1.9`_ project, with the following
@@ -35,15 +36,12 @@ components used:
   * custom :func:`~oioioi.filetracker.utils.filename_generator` to pass as ``FileField.upload_to``
   * `Filetracker`_
 
-* Distributed judging with `Evalmgr`_ and `Sioworkersd`_
+* Distributed judging
 
-  * Django bindings with `djcelery`_
+  * an :doc:`evaluation manager </sections/evaluation>` running on
+    `Celery`_ (Django bindings with `djcelery`_)
   * evaluation code running on judging machines is external to OIOIOI (see
-    :ref:`workers`)
-  * but we also have an :doc:`evaluation manager </sections/evaluation>` running on
-    Celery
-
-* We use `Celery`_ in a :doc:`few more applications </sections/misc>`
+    `Sioworkers`_)
 
 * Pagination with `django-pagination`_
 * Testing with `django-nose`_ and `selenium`_