diff --git a/qml/cover/CoverPage.qml b/qml/cover/CoverPage.qml
index 3ef80f5..8ed54d2 100644
--- a/qml/cover/CoverPage.qml
+++ b/qml/cover/CoverPage.qml
@@ -1,3 +1,20 @@
+/**
+ * Battery Buddy, a Sailfish application to prolong battery lifetime
+ *
+ * Copyright (C) 2019 Matti Viljanen
+ *
+ * Battery Buddy 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.
+ *
+ * Battery Buddy 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 CarBudget. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Matti Viljanen
+ */
 import QtQuick 2.0
 import Sailfish.Silica 1.0
 
diff --git a/qml/harbour-batterybuddy.qml b/qml/harbour-batterybuddy.qml
index 944e65e..76f01c3 100644
--- a/qml/harbour-batterybuddy.qml
+++ b/qml/harbour-batterybuddy.qml
@@ -1,3 +1,20 @@
+/**
+ * Battery Buddy, a Sailfish application to prolong battery lifetime
+ *
+ * Copyright (C) 2019 Matti Viljanen
+ *
+ * Battery Buddy 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.
+ *
+ * Battery Buddy 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 CarBudget. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Matti Viljanen
+ */
 import QtQuick 2.0
 import Sailfish.Silica 1.0
 import "pages"
diff --git a/qml/pages/AboutPage.qml b/qml/pages/AboutPage.qml
index 6c4ce0d..f279006 100644
--- a/qml/pages/AboutPage.qml
+++ b/qml/pages/AboutPage.qml
@@ -1,3 +1,20 @@
+/**
+ * Battery Buddy, a Sailfish application to prolong battery lifetime
+ *
+ * Copyright (C) 2019 Matti Viljanen
+ *
+ * Battery Buddy 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.
+ *
+ * Battery Buddy 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 CarBudget. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Matti Viljanen
+ */
 import QtQuick 2.0
 import Sailfish.Silica 1.0
 
diff --git a/qml/pages/InfoPage.qml b/qml/pages/InfoPage.qml
index dcc7e12..eee7758 100644
--- a/qml/pages/InfoPage.qml
+++ b/qml/pages/InfoPage.qml
@@ -1,3 +1,20 @@
+/**
+ * Battery Buddy, a Sailfish application to prolong battery lifetime
+ *
+ * Copyright (C) 2019 Matti Viljanen
+ *
+ * Battery Buddy 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.
+ *
+ * Battery Buddy 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 CarBudget. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Matti Viljanen
+ */
 import QtQuick 2.0
 import Sailfish.Silica 1.0
 
diff --git a/qml/pages/MainPage.qml b/qml/pages/MainPage.qml
index 6ea5a9c..79b8578 100644
--- a/qml/pages/MainPage.qml
+++ b/qml/pages/MainPage.qml
@@ -1,3 +1,20 @@
+/**
+ * Battery Buddy, a Sailfish application to prolong battery lifetime
+ *
+ * Copyright (C) 2019 Matti Viljanen
+ *
+ * Battery Buddy 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.
+ *
+ * Battery Buddy 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 CarBudget. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Matti Viljanen
+ */
 import QtQuick 2.0
 import QtMultimedia 5.6
 import Sailfish.Silica 1.0
diff --git a/src/battery.cpp b/src/battery.cpp
index f0659db..dd0fe50 100644
--- a/src/battery.cpp
+++ b/src/battery.cpp
@@ -1,3 +1,20 @@
+/**
+ * Battery Buddy, a Sailfish application to prolong battery lifetime
+ *
+ * Copyright (C) 2019 Matti Viljanen
+ *
+ * Battery Buddy 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.
+ *
+ * Battery Buddy 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 CarBudget. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Matti Viljanen
+ */
 #include "battery.h"
 
 Battery::Battery(QObject* parent) : QObject(parent)
diff --git a/src/battery.h b/src/battery.h
index 255eb29..4db01a6 100644
--- a/src/battery.h
+++ b/src/battery.h
@@ -2,6 +2,23 @@
 #define BATTERY_H
 
 #include <QObject>
+/**
+ * Battery Buddy, a Sailfish application to prolong battery lifetime
+ *
+ * Copyright (C) 2019 Matti Viljanen
+ *
+ * Battery Buddy 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.
+ *
+ * Battery Buddy 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 CarBudget. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Matti Viljanen
+ */
 #include <QString>
 #include <QFile>
 #include <QDebug>
diff --git a/src/harbour-batterybuddy.cpp b/src/harbour-batterybuddy.cpp
index 6dff5a1..bc7a1a8 100644
--- a/src/harbour-batterybuddy.cpp
+++ b/src/harbour-batterybuddy.cpp
@@ -1,3 +1,20 @@
+/**
+ * Battery Buddy, a Sailfish application to prolong battery lifetime
+ *
+ * Copyright (C) 2019 Matti Viljanen
+ *
+ * Battery Buddy 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.
+ *
+ * Battery Buddy 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 CarBudget. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Matti Viljanen
+ */
 #ifdef QT_QML_DEBUG
 #include <QtQuick>
 #endif
diff --git a/src/settings.cpp b/src/settings.cpp
index d0036a2..c711053 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -1,3 +1,20 @@
+/**
+ * Battery Buddy, a Sailfish application to prolong battery lifetime
+ *
+ * Copyright (C) 2019 Matti Viljanen
+ *
+ * Battery Buddy 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.
+ *
+ * Battery Buddy 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 CarBudget. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Matti Viljanen
+ */
 #include "settings.h"
 
 Settings::Settings(QObject *parent) : QObject(parent)
diff --git a/src/settings.h b/src/settings.h
index f748d65..9a1f2f3 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -1,3 +1,20 @@
+/**
+ * Battery Buddy, a Sailfish application to prolong battery lifetime
+ *
+ * Copyright (C) 2019 Matti Viljanen
+ *
+ * Battery Buddy 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.
+ *
+ * Battery Buddy 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 CarBudget. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Matti Viljanen
+ */
 #ifndef SETTINGS_H
 #define SETTINGS_H