diff --git a/xray/README.md b/xray/README.md
index eed31d3..381433a 100644
--- a/xray/README.md
+++ b/xray/README.md
@@ -1,4 +1,5 @@
 # xray
+**git clone https://git.ipr.univ-rennes1.fr/mcammara/mcutils.git xray**
 
 Different utilities to work with time resolved solution/powder scattering data
 They should be extended to absorption soon