diff --git a/snapshot.cpp b/snapshot.cpp
--- a/snapshot.cpp
+++ b/snapshot.cpp
@@ -1,12 +1,28 @@
+/*
+  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/>.
+*/
 
 #include <stddef.h>
 
 #include "snapshot.h"
 #include "snapshotview.h"
 
-#include <QtDebug>
-
-SnapShot::SnapShot(QMainWindow* parent, QString name) :
+Snapshot::Snapshot(QMainWindow* parent, QString name) :
     QObject(parent),
     _showAction(name, this),
     _deleteAction("Delete", this)
@@ -15,13 +31,13 @@ SnapShot::SnapShot(QMainWindow* parent, 
 
     view = NULL;
     mainWindow = parent;
-    connect(&_showAction, &QAction::triggered, this, &SnapShot::show);
+    connect(&_showAction, &QAction::triggered, this, &Snapshot::show);
 
     _deleteAction.setToolTip(QString("Delete ") + _name);
-    connect(&_deleteAction, &QAction::triggered, this, &SnapShot::onDeleteTriggered);
+    connect(&_deleteAction, &QAction::triggered, this, &Snapshot::onDeleteTriggered);
 }
 
-SnapShot::~SnapShot()
+Snapshot::~Snapshot()
 {
     if (view != NULL)
     {
@@ -29,45 +45,45 @@ SnapShot::~SnapShot()
     }
 }
 
-QAction* SnapShot::showAction()
+QAction* Snapshot::showAction()
 {
     return &_showAction;
 }
 
-QAction* SnapShot::deleteAction()
+QAction* Snapshot::deleteAction()
 {
     return &_deleteAction;
 }
 
-void SnapShot::show()
+void Snapshot::show()
 {
     if (view == NULL)
     {
-        view = new SnapShotView(mainWindow, this);
-        connect(view, &SnapShotView::closed, this, &SnapShot::viewClosed);
+        view = new SnapshotView(mainWindow, this);
+        connect(view, &SnapshotView::closed, this, &Snapshot::viewClosed);
     }
     view->show();
     view->activateWindow();
     view->raise();
 }
 
-void SnapShot::viewClosed()
+void Snapshot::viewClosed()
 {
     view->deleteLater();
     view = NULL;
 }
 
-void SnapShot::onDeleteTriggered()
+void Snapshot::onDeleteTriggered()
 {
     emit deleteRequested(this);
 }
 
-QString SnapShot::name()
+QString Snapshot::name()
 {
     return _name;
 }
 
-void SnapShot::setName(QString name)
+void Snapshot::setName(QString name)
 {
     _name = name;
     _showAction.setText(_name);