diff --git a/particle-track-and-trace/src/QT/MainWindow.cpp b/particle-track-and-trace/src/QT/MainWindow.cpp
index 18fad0b..3a5afee 100644
--- a/particle-track-and-trace/src/QT/MainWindow.cpp
+++ b/particle-track-and-trace/src/QT/MainWindow.cpp
@@ -71,7 +71,7 @@ void MainWindow::on_SecondButton_clicked(bool checked) {
 }
 
 
-void MainWindow::on_ComplentaryButton_clicked(bool checked) {
+void MainWindow::on_ComplementaryButton_clicked(bool checked) {
   if (checked) {
 
   }
@@ -148,7 +148,7 @@ void MainWindow::on_RegularlySubsampledButton_clicked(bool checked) {
 }
 
 
-void MainWindow::on_IregularlySampledButton_clicked(bool checked) {
+void MainWindow::on_IregularlySubsampledButton_clicked(bool checked) {
   if (checked) {
 
   }}
diff --git a/particle-track-and-trace/src/QT/MainWindow.h b/particle-track-and-trace/src/QT/MainWindow.h
index 38ef8f9..ef9a5cf 100644
--- a/particle-track-and-trace/src/QT/MainWindow.h
+++ b/particle-track-and-trace/src/QT/MainWindow.h
@@ -17,7 +17,7 @@ public:
 private slots:
   void on_FirstButton_clicked(bool checked);
   void on_SecondButton_clicked(bool checked);
-  void on_ComplentaryButton_clicked(bool checked);
+  void on_ComplementaryButton_clicked(bool checked);
   void on_ContrastingButton_clicked(bool checked);
   void on_MonochromaticButton_clicked(bool checked);
   void on_SaturateButton_clicked(bool checked);
@@ -28,7 +28,7 @@ private slots:
   void on_HexagonButton_clicked(bool checked);
   void on_FullySampledButton_clicked(bool checked);
   void on_RegularlySubsampledButton_clicked(bool checked);
-  void on_IregularlySampledButton_clicked(bool checked);
+  void on_IregularlySubsampledButton_clicked(bool checked);
 
 private:
     Ui::MainWindow* ui;
diff --git a/particle-track-and-trace/src/QT/ui_mainwindow.h b/particle-track-and-trace/src/QT/ui_mainwindow.h
index 26f8ad0..dd3ff49 100644
--- a/particle-track-and-trace/src/QT/ui_mainwindow.h
+++ b/particle-track-and-trace/src/QT/ui_mainwindow.h
@@ -214,7 +214,7 @@ public:
         verticalLayout_16->addWidget(FullySampledButton);
 
         RegularlySubsampledButton = new QRadioButton(GlyphBox_2);
-        RegularlySubsampledButton->setObjectName(QString::fromUtf8("RegularlySampledButton"));
+        RegularlySubsampledButton->setObjectName(QString::fromUtf8("RegularlySubsampledButton"));
 
         verticalLayout_16->addWidget(RegularlySubsampledButton);