diff --git a/Readme.md b/Readme.md
index 538cc42..edaf666 100644
--- a/Readme.md
+++ b/Readme.md
@@ -1,28 +1,28 @@
-# Installation
+# Installation sur RH >= 9
 
 ## Installer openldap
 
-* Activation du dépôt *powertools*
+* Activation du dépôt EPEL
 
-```
-dnf config-manager $--$set-enabled powertools
+```bash
+dnf install -y epel-release
 ```
 
 * Installation des paquets openldap-servers et openldap-clients
 
-```
+```bash
 dnf install openldap-{clients,servers}
 ```
 
 * Exploration du packages
 
-```
+```bash
 rpm -ql openldap-servers | less
 ```
 
 * Activation et lancement du service
 
-```
+```bash
 systemctl enable --now slapd