diff --git a/README.md b/README.md
index e5b1d01..98fa787 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # Certificats
 
+Prérequis :
+* La commande `git`installée via le dépôt Synocommunity https://synocommunity.com/package/git.