diff --git a/README.txt b/README.txt
index 2c0aab5..81449be 100644
--- a/README.txt
+++ b/README.txt
@@ -4,6 +4,9 @@ Classic technic Game for Minetest engine
 This game is inspired by technic game, but with older more challenging
 recipes, with lot of additions, some deletions and changes at all.
 
+This game contains more than 4000 blocks so you need fresh git server.
+(atleast from 1. Nov 2013)
+
 Cloning with git:
 	This repository uses submodules. In order to get all the parts of the
 	game you will need to run 'git submodule update --init' when you clone