diff --git a/README.MD b/README.MD
new file mode 100644
index 0000000000000000000000000000000000000000..0150b7e993d114926aeda30ab755e6dc46c767fa
--- /dev/null
+++ b/README.MD
@@ -0,0 +1,16 @@
+This repo is used to store all firmware building files.
+These include:
+- the different site configs for experimental, beta and stable firmware
+- the firmware build script to build all availabel targets. The targets may differ between the 3 branches.
+- additional links and information which need to be considered.
+
+Additional information
+
+Bug overview, where we keep information on all bugs and issues in the freifunk project and information how to solve them.
+https://wiki.c3l.lu/doku.php?id=projects:freifunk:bugs
+
+To-do after firmware building
+move sysupgrade file for ubiquiti erx and erx-sfp to the other directory and do not sign it. Prefends software brick of device for update from Gluon 2019 to Gluon 202X.
+https://github.com/oszilloskop/UBNT_ERX_Gluon_Factory-Image
+ 
+delete factory sysupgrade files for Gl.inet AR750.Device supported but firmware not compatible for Gluon 2021.X or greater. waiting for fix.