diff --git a/HowtoSmart.md b/HowtoSmart.md
index 69e7c2d5..f61440a5 100644
--- a/HowtoSmart.md
+++ b/HowtoSmart.md
@@ -36,6 +36,7 @@ Quelques exemples de commande de base :
 ~~~
 # smartctl --scan
 # smartctl -a /dev/sda
+# smartctl -a /dev/sda | egrep 'Serial|Error'
 # smartctl -a /dev/sda | grep Power_On_Hours
 # smartctl -a /dev/sda | grep Power_Cycle_Count
 # smartctl -a /dev/sda -d megaraid,0