diff --git a/dataengines/soliddevice/soliddeviceengine.h b/dataengines/soliddevice/soliddeviceengine.h
index ef9ffea2a..353173bda 100644
--- a/dataengines/soliddevice/soliddeviceengine.h
+++ b/dataengines/soliddevice/soliddeviceengine.h
@@ -1,102 +1,102 @@
 /*
  *   Copyright (C) 2007 Christopher Blauvelt <cblauvelt@gmail.com>
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU Library General Public License version 2 as
  *   published by the Free Software Foundation
  *
  *   This program is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *   GNU General Public License for more details
  *
  *   You should have received a copy of the GNU Library General Public
  *   License along with this program; if not, write to the
  *   Free Software Foundation, Inc.,
  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
 #ifndef SOLIDDEVICEENGINE_H
 #define SOLIDDEVICEENGINE_H
 
 #include <QObject>
 #include <QString>
 #include <QList>
 #include <QMap>
 #include <QPair>
 
 #include <solid/devicenotifier.h>
 #include <solid/device.h>
 #include <solid/deviceinterface.h>
 #include <solid/predicate.h>
 
 #include <Plasma/Service>
 #include <Plasma/DataEngine>
 #include "devicesignalmapmanager.h"
 #include "devicesignalmapper.h"
 #include "hddtemp.h"
 #include <KIO/FileSystemFreeSpaceJob>
 
 enum State {
     Idle = 0,
     Mounting = 1,
     Unmounting = 2
 };
 
 enum OperationResult {
     Working = 0,
     Successful = 1,
     Unsuccessful =2
 };
 
 /**
  * This class evaluates the basic expressions given in the interface.
  */
 class SolidDeviceEngine : public Plasma::DataEngine
 {
     Q_OBJECT
     friend class SolidDeviceService;
 
 public:
     SolidDeviceEngine( QObject* parent, const QVariantList& args);
     ~SolidDeviceEngine() override;
     Plasma::Service *serviceForSource (const QString& source) override;
 
 protected:
     bool sourceRequestEvent(const QString &name) override;
     bool updateSourceEvent(const QString& source) override;
 
 private:
     bool populateDeviceData(const QString &name);
     bool updateStorageSpace(const QString &udi);
     bool updateHardDiskTemperature(const QString &udi);
     bool updateEmblems(const QString &udi);
     bool updateInUse(const QString &udi);
     bool forceUpdateAccessibility(const QString &udi);
     void listenForNewDevices();
 
     //predicate in string form, list of devices by udi
     QMap<QString, QStringList> m_predicatemap;
     //udi, corresponding device
     QMap<QString, Solid::Device> m_devicemap;
     //udi, corresponding encrypted container udi;
     QMap<QString, QString> m_encryptedContainerMap;
-    //path, corresponding timer
+    //path, for pending file system free space jobs
     QSet<QString> m_paths;
     DeviceSignalMapManager *m_signalmanager;
 
     HddTemp *m_temperature;
     Solid::DeviceNotifier *m_notifier;
 
 private Q_SLOTS:
     void deviceAdded(const QString &udi);
     void deviceRemoved(const QString &udi);
     void deviceChanged(const QString& udi, const QString &property, const QVariant &value);
     void sourceWasRemoved(const QString &source);
     void setMountingState(const QString &udi);
     void setUnmountingState(const QString &udi);
     void setIdleState(Solid::ErrorType error, QVariant errorData, const QString &udi);
     void deviceChanged(const QMap<QString,int> & props);
 };
 
 #endif