diff --git a/plugins/system/cpubyuser b/plugins/system/cpubyuser
index 2931962c..0f7a2cc3 100755
--- a/plugins/system/cpubyuser
+++ b/plugins/system/cpubyuser
@@ -2,12 +2,12 @@
 #
 # Plugin to monitor CPU usage, for a selected set of users
 #
-# Usage: Place in /etc/munin/node.d/ (or link it there  using ln -s)
-#        Add this to your /etc/munin/plugin-conf.d/munin-node:
+# Usage: Place in /etc/munin/node.d/ (or link it there using ln -s)
+#	Add this to your /etc/munin/plugin-conf.d/munin-node:
 #		[cpubyuser]
 #		env.USERS root yann
 #
-#        If env.USERS is set to ALL, count all logged in users.
+#	If env.USERS is set to ALL, count all logged in users.
 #
 #	 root and yann being a list of the users to monitor.
 #	 You need to also make sure that awk is installed
@@ -30,8 +30,8 @@
 #
 # Parameters understood:
 #
-#       config   (required)
-#       autoconf (optional - used by munin-config)
+#	config		(required)
+#	autoconf	(optional - used by munin-config)
 #
 
 #%# family=auto
@@ -63,7 +63,7 @@ if [ "$1" = "config" ]; then
 	user_fields="$(for user in $USERS; do clean_fieldname "$user" | tr '\n' ' '; done)"
 	echo "graph_order $user_fields $OTHER_FIELD"
 	for user in $USERS "$OTHER_FIELD"; do
-	        user_field="$(clean_fieldname "$user")"
+		user_field="$(clean_fieldname "$user")"
 		echo "${user_field}.label $user"
 		echo "${user_field}.info CPU used by user $user"
 		echo "${user_field}.type GAUGE"