diff --git a/README.md b/README.md
index 951b582..594a0e2 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,8 @@ It could be useful to leave the compile farm around for the compilation indide t
 
 ## Fase 2: Chroot
 
+WARNING: This part makes use of loopback devices, if the kernel was updated but the system not rebooted, reboot.
+
 This part is significantly less over engineered (luckily).
 There are 4 new commands the user should be aware of, they are written in chronological order.