diff --git a/doc/source/install/system-requirements.rst b/doc/source/install/system-requirements.rst
index 0d4cb20eaa..6aaeeab224 100644
--- a/doc/source/install/system-requirements.rst
+++ b/doc/source/install/system-requirements.rst
@@ -4,11 +4,14 @@ System Requirements
 
 The Queens release of horizon has the following dependencies.
 
-* Python 2.7
-* Django 1.11
+* Python 2.7 or 3.5
+* Django 1.11 or 2.0
 
-  * Django 1.8 to 1.10 are also supported.
-    Their support will be dropped in the Rocky release.
+  * Django 1.8 to 1.10 are no longer supported since Rocky release.
+  * Horizon usually syncs with
+    `Django's Roadmap <https://www.djangoproject.com/weblog/2015/jun/25/roadmap/>`__
+    and basically supports maintained versions of Django
+    as of the feature freeze of each OpenStack release.
 
 * An accessible `keystone <https://docs.openstack.org/keystone/latest/>`_ endpoint