diff --git a/mainwindow.cpp b/mainwindow.cpp
index fce50cd73..86ee4ca3d 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -2050,7 +2050,7 @@ void MainWindow::on_stopButton_clicked()                       //stopButton
 
 void MainWindow::on_actionRelease_Notes_triggered ()
 {
-  QDesktopServices::openUrl (QUrl {"http://physics.princeton.edu/pulsar/k1jt/v1.7_Features.txt"});
+  QDesktopServices::openUrl (QUrl {"http://physics.princeton.edu/pulsar/k1jt/Release_Notes_1.8.0.txt"});
 }
 
 void MainWindow::on_actionOnline_User_Guide_triggered()      //Display manual