diff --git a/src/database/mssql/mode/lockswaits.pm b/src/database/mssql/mode/lockswaits.pm
index e4a47e66f..b9e806154 100644
--- a/src/database/mssql/mode/lockswaits.pm
+++ b/src/database/mssql/mode/lockswaits.pm
@@ -28,7 +28,7 @@ sub set_counters {
     my ($self, %options) = @_;
 
     $self->{maps_counters_type} = [
-        { name => 'lockswaits', type => 0 },
+        { name => 'lockswaits', type => 0 }
     ];
 
     $self->{maps_counters}->{lockswaits} = [
@@ -36,10 +36,10 @@ sub set_counters {
                 key_values => [ { name => 'value' } ],
                 output_template => '%.2f dead locks/s',
                 perfdatas => [
-                    { template => '%.2f', min => 0 },
-                ],
+                    { template => '%.2f', min => 0 }
+                ]
             }
-        },
+        }
     ];
 }
 
@@ -50,7 +50,7 @@ sub new {
     bless $self, $class;
     
     $options{options}->add_options(arguments => { 
-        "filter-database:s" => { name => 'filter_database' },
+        'filter-database:s' => { name => 'filter_database' }
     });
 
     return $self;
@@ -91,11 +91,11 @@ Check MSSQL locks-waits per second
 
 =over 8
 
-=item B<--warning-lockswait>
+=item B<--warning-lockswaits>
 
 Threshold warning number of lock-waits per second.
 
-=item B<--critical-lockswait>
+=item B<--critical-lockswaits>
 
 Threshold critical number of lock-waits per second.