diff --git a/HowtoDRBD.md b/HowtoDRBD.md
index 66d3ff07..79913fd0 100644
--- a/HowtoDRBD.md
+++ b/HowtoDRBD.md
@@ -300,7 +300,9 @@ Une fois la synchro terminé (`cat /proc/drbd`), on le repasse en primaire, pour
 # /etc/init.d/o2cb online
 ~~~
 
-### Starting Oracle Cluster File System (OCFS2) mount.ocfs2: Unable to access cluster service while trying initialize cluster
+### Erreur "Unable to access cluster service while trying initialize cluster"
+
+Si vous avez une erreur "Starting Oracle Cluster File System (OCFS2) mount.ocfs2: Unable to access cluster service while trying initialize cluster" :
 
 ~~~
 # /etc/init.d/o2cb online