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
diff --git a/site.mk b/site.mk
index 284a2213c1ac5a2cee874f653cb6982351683395..cc5a28d2a29147db329122f164a4101f73ae0782 100644
--- a/site.mk
+++ b/site.mk
@@ -27,7 +27,7 @@ GLUON_SITE_PACKAGES := \
 	iwinfo
 
 
-DEFAULT_GLUON_RELEASE := 0.6-$(shell date '+%Y.%m.%d-%H.%M')-g.$(shell git -C $(GLUONDIR) log --pretty=format:'%h' -n 1)-s.$(shell git -C $(GLUONDIR)/site log --pretty=format:'%h' -n 1)
+DEFAULT_GLUON_RELEASE := 0.6+$(shell date '+%Y.%m.%d-%H.%M')-g.$(shell git -C $(GLUONDIR) log --pretty=format:'%h' -n 1)-s.$(shell git -C $(GLUONDIR)/site log --pretty=format:'%h' -n 1)
 
 GLUON_LANGS := de en