diff --git a/README.md b/README.md
index b0ef834..8d03332 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,9 @@
 # MMU2
 
 
-Multi material upgrade 2
+Original Prusa i3 MK3 Multi Material 2.0
+
+Multi Material 2.0 upgrade is the second generation of multi-material addon to the Original Prusa i3 MK3 and MK2.5 printer.
 
 This repository contains SCAD files and STLs of the printed parts.
 
@@ -9,5 +11,6 @@ This repository contains SCAD files and STLs of the printed parts.
 
  * Prusa Research website : http://prusa3d.com
  * Product page : https://shop.prusa3d.com/en/printer-upgrades/183-original-prusa-i3-mk3-multi-material-upgrade-kit.html
- * Build manual : 
+ * Build manual : https://manual.prusa3d.com/c/Original_Prusa_i3_MK3_to_Multi_Material_2_upgrade
  * Firmware : https://github.com/prusa3d/Prusa-Firmware
+ * MMU2 control board: https://github.com/prusa3d/MM-control-2.0