     public func startNotifying() -> Future<Characteristic> {
         self.notificationStateChangedPromise = Promise<Characteristic>()
         if self.propertyEnabled(.Notify) {
-            self.service.peripheral.cbPeripheral .setNotifyValue(true, forCharacteristic:self.cbCharacteristic)
+            self.service.peripheral.cbPeripheral.setNotifyValue(true, forCharacteristic:self.cbCharacteristic)
         }
         return self.notificationStateChangedPromise.future
     }

    
    internal let cbCharacteristic : CBCharacteristic
    internal let _service         : Service
    internal let profile          : CharacteristicProfile!
    
    public var service : Service {
        return self._service

    public func stopNotifying() -> Future<Characteristic> {
        self.notificationStateChangedPromise = Promise<Characteristic>()
        if self.propertyEnabled(.Notify) {
            self.service.peripheral.cbPeripheral.setNotifyValue(false, forCharacteristic:self.cbCharacteristic)
        }
        return self.notificationStateChangedPromise.future
    }
