diff --git a/README.md b/README.md
index f124e83..67121bb 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,9 @@ p2env=false			# true si vous êtes dans un environnement p2p.legal
 
 Then:
 
-`./install.sh`
+```
+chmod u+x install.sh
+./install.sh```
 
 You can change the ssl state of your instance after the installation if you need.
 Just execute ssl.sh: