diff --git a/source/requirements.rst b/source/requirements.rst
index 2a7ea51..a8a1ece 100644
--- a/source/requirements.rst
+++ b/source/requirements.rst
@@ -1,9 +1,12 @@
 ##################
 Requirements
 ##################
-* Python 2.7 / 3
+* Python 2.7+ / 3.6+
     * pip setuptools
     * pip wheel
-* A hostname + valid tld.
+* A hostname + valid top level domain.
 * A reverse proxy (Apache / Nginx)
-* For telegram bots: A valid SSL cert
\ No newline at end of file
+* For telegram bots: A valid SSL cert
+* a Linux based system for the use of an daemon.
+
+The system is tested on an ubuntu 16.04.