updated bilingual

lib/views/admin/security.html

@@ -38,7 +38,7 @@
 
       <form action="/_api/admin/security/general" method="post" class="form-horizontal" id="generalSetting" role="form">
         <fieldset>
-        <legend>{{ t('Security settings') }}</legend>
+        <legend>{{ t('security_setting.Security settings') }}</legend>
 
           <div class="form-group">
             <label for="settingForm[security:registrationMode]" class="col-xs-3 control-label">{{ t('Basic authentication') }}</label>