style(settings): fix typo

app/components/settingsAuthentication/settingsAuthentication.html

@@ -51,7 +51,7 @@
           </div>
           <div class="form-group" ng-if="settings.AuthenticationMethod === 2">
             <span class="col-sm-12 text-muted small">
-              When using LDAP authentication, Portainer will delegate user authentication to a LDAP server (exception for the <b>admin</b> user that always use internal authentication).
+              When using LDAP authentication, Portainer will delegate user authentication to a LDAP server (exception for the <b>admin</b> user that always uses internal authentication).
               <p style="margin-top:5px;">
                 <i class="fa fa-exclamation-triangle orange-icon" aria-hidden="true" style="margin-right: 2px;"></i>
                 <u>Users still need to be created in Portainer beforehand.</u>