diff --git a/README.md b/README.md
index 419c65e379ca5126fb8911cded8f81083f24ac8d..fd29ccd0cf301b0859c3d4b2a23cb99a97261b95 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,10 @@ site-ffs
 ========
 
 Freifunk Stuttgart specific Gluon configuration
+
+
+Doku: https://gluon.readthedocs.org/en/latest/user/site.html
+
+Gluon versions used for specific Stuttgart Freifunk Firmware builds:
+* ffs-0.6: v2016.1
+* ffs-0.5: v2015.1.2