diff --git a/mainwindow.cpp b/mainwindow.cpp
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -147,7 +147,6 @@ MainWindow::MainWindow(QWidget *parent) 
     }
 
     // init text view
-    // TODO: does this work in binary mode? (no new lines)
     ui->ptTextView->setMaximumBlockCount(10000);
     QObject::connect(ui->pbClearTextView, &QPushButton::clicked,
                      ui->ptTextView, &QPlainTextEdit::clear);