diff --git a/plugins/other/lustre_df b/plugins/other/lustre_df
index 27cb8397..edc2d083 100755
--- a/plugins/other/lustre_df
+++ b/plugins/other/lustre_df
@@ -16,7 +16,7 @@ Monitoring node - lustre client with mounted lustre
 
 =head1 AUTHOR
 
-Ropchan Sergey <fenix.serega@gmai.com>
+Ropchan Sergey <fenix.serega@gmail.com>
 
 =head1 LICENSE
 
@@ -43,7 +43,7 @@ my @output = `$lfs_bin df -h`;
 &print_values;
 
 if ($ARGV[0] and $ARGV[0] eq "config") {
-    print "graph_title Lustre cluster storage objects usage\n";
+    print "graph_title Lustre cluster storage objects usage in percent\n";
     print "graph_args --base 1000\n";
     print "graph_vlabel % usage\n";
     print "graph_scale no\n";