diff --git a/check_reboot-required b/check_reboot-required
index 4373bed..1959aaf 100644
--- a/check_reboot-required
+++ b/check_reboot-required
@@ -50,8 +50,7 @@ fi
 
 function usage() {
   cat - <<EOF
-Usage: ${APPNAME} [--help]
-Usage: ${APPNAME} [--warn]
+Usage: ${APPNAME} [-w|--warn] [-h|--help]
 
 This check command checks if a reboot are required after an upgrade. It will
 also list packages that requires a reboot to ease the decision for the
@@ -128,11 +127,10 @@ function check_running_kernel() {
   newest_installed_kernel=`ls -t /boot/vmlinuz-* | sed "s/\/boot\/vmlinuz-//g" | head -n1`
   running_kernel=`uname -r`
   if [[ $newest_installed_kernel != $running_kernel ]]; then
+    echo "System reboot is required by: newer kernel (${newest_installed_kernel}) is available, running kernel is ${running_kernel}"
     if [ "${warn_only}" == "true" ]; then
-      echo "System reboot is required by a newer kernel"
       exit ${WARNING}
     else
-      echo "System reboot is required by a newer kernel"
       exit ${CRITICAL}
     fi
   else