diff --git a/snapshotview.h b/snapshotview.h
--- a/snapshotview.h
+++ b/snapshotview.h
@@ -1,3 +1,22 @@
+/*
+  Copyright © 2015 Hasan Yavuz Özderya
+
+  This file is part of serialplot.
+
+  serialplot is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  serialplot 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 General Public License
+  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
 #ifndef SNAPSHOTVIEW_H
 #define SNAPSHOTVIEW_H
 
@@ -9,28 +28,29 @@
 #include <QPen>
 #include <QCloseEvent>
 #include <qwt_plot_curve.h>
+
 #include "plot.h"
 #include "snapshot.h"
 
 namespace Ui {
-class SnapShotView;
+class SnapshotView;
 }
 
-class SnapShotView : public QMainWindow
+class SnapshotView : public QMainWindow
 {
     Q_OBJECT
 
 public:
-    explicit SnapShotView(QWidget *parent, SnapShot* snapShot);
-    ~SnapShotView();
+    explicit SnapshotView(QWidget *parent, Snapshot* snapshot);
+    ~SnapshotView();
 
 signals:
     void closed();
 
 private:
-    Ui::SnapShotView *ui;
+    Ui::SnapshotView *ui;
     QList<QwtPlotCurve*> curves;
-    SnapShot* _snapShot;
+    Snapshot* _snapshot;
     QInputDialog renameDialog;
 
     void closeEvent(QCloseEvent *event);