diff --git a/header.izar b/header.izar
index 87ca459..71bd6bd 100644
--- a/header.izar
+++ b/header.izar
@@ -1 +1,4 @@
 # Welcome to IZAR: https://go.epfl.ch/izar                #
+#                                                         #
+# REMINDER: IZAR is a GPU accelerated cluster and jobs    #
+#           are billed by the GPU-hour.                   #