diff --git a/qutebrowser/mainwindow/messageview.py b/qutebrowser/mainwindow/messageview.py
index 35505fd44..4a91276df 100644
--- a/qutebrowser/mainwindow/messageview.py
+++ b/qutebrowser/mainwindow/messageview.py
@@ -132,6 +132,7 @@ class MessageView(QWidget):
         self.update_geometry.emit()
 
     def mousePressEvent(self, e):
+        """Clear messages when they are clicked on."""
         criteria = [Qt.LeftButton, Qt.MiddleButton, Qt.RightButton]
 
         if e.button() in criteria: