diff --git a/centreon-plugins/src/check_centreon_snmp_cpu b/centreon-plugins/src/check_centreon_snmp_cpu
index 59846711c..91f729c22 100644
--- a/centreon-plugins/src/check_centreon_snmp_cpu
+++ b/centreon-plugins/src/check_centreon_snmp_cpu
@@ -82,8 +82,8 @@ if (!$opt_H) {
 my $snmp = "1";
 $snmp = $opt_v if ($opt_v && $opt_v =~ /^[0-9]$/);
 
-$opt_c = 95 if (defined($opt_c) || !$opt_c);
-$opt_w = 95 if (defined($opt_w) || !$opt_w);
+$opt_c = 95 if (!defined($opt_c) || !$opt_c);
+$opt_w = 90 if (!defined($opt_w) || !$opt_w);
 
 if ($snmp eq "3") {
 	if (!$opt_u) {
@@ -115,13 +115,13 @@ if ($snmp eq "1" || $snmp eq "2") {
 	    print("UNKNOWN: SNMP 1 or 2 Session : $error\n");
 	    exit $ERRORS{'UNKNOWN'};
 	}
-}elsif ($opt_k) {
+} elsif ($opt_k) {
     ($session, $error) = Net::SNMP->session(-hostname => $opt_H, -version => $snmp, -username => $opt_u, -authkey => $opt_k);
 	if (!defined($session)) {
 	    print("UNKNOWN: SNMP Session : $error\n");
 	    exit $ERRORS{'UNKNOWN'};
 	}
-}elsif ($opt_p) {
+} elsif ($opt_p) {
     ($session, $error) = Net::SNMP->session(-hostname => $opt_H, -version => $snmp,  -username => $opt_u, -authpassword => $opt_p);
 	if (!defined($session)) {
 	    print("UNKNOWN: SNMP Session : $error\n");
@@ -171,10 +171,12 @@ exit $ERRORS{$status};
 sub print_usage () {
     print "\nUsage:\n";
     print "$PROGNAME\n";
+    print "This Plugin is design for return CPU percent on windows Serveurs (1 min Average)\n";
+    print "\n";
     print "   -H (--hostname)   Hostname to query - (required)\n";
     print "   -C (--community)  SNMP read community (defaults to public,\n";
-    print "   -c (--critical)   Three critical tresholds (defaults : 2,4,6)\n";
-    print "   -w (--warning)   Three warning tresholds (defaults : 1,3,5)\n";
+    print "   -c (--critical)   Three critical tresholds (defaults : 95)\n";
+    print "   -w (--warning)    Three warning tresholds (defaults : 90)\n";
     print "   -v (--snmp_version)  1 for SNMP v1 (default)\n";
     print "                        2 for SNMP v2c\n";
     print "   -k (--key)        snmp V3 key\n";
@@ -186,8 +188,8 @@ sub print_usage () {
 
 sub print_help () {
     print "##############################################\n";
-    print "#    Copyright (c) 2004-2007 Merethis        #\n";
-    print "#    Bugs to http://bugs.oreon-project.org/  #\n";
+    print "#    Copyright (c) 2004-2008 Merethis        #\n";
+    print "#    Bugs to http://trac.centreon.com/       #\n";
     print "##############################################\n";
     print_usage();
     print "\n";