diff --git a/qutebrowser/browser/webengine/webenginetab.py b/qutebrowser/browser/webengine/webenginetab.py
index 9bbe1b8aa..76a526670 100644
--- a/qutebrowser/browser/webengine/webenginetab.py
+++ b/qutebrowser/browser/webengine/webenginetab.py
@@ -369,12 +369,13 @@ class WebEngineHistory(browsertab.AbstractHistory):
         return self._history.canGoForward()
 
     def serialize(self):
-        # WORKAROUND for https://bugreports.qt.io/browse/QTBUG-59599
+        # WORKAROUND (remove this when we bump the requirements to 5.9)
+        # https://bugreports.qt.io/browse/QTBUG-59599
         if self._history.count() == 0:
             raise browsertab.WebTabError("Can't serialize page without "
                                          "history!")
-        # WORKAROUND for https://github.com/qutebrowser/qutebrowser/issues/2289
-        # FIXME:qtwebengine can we get rid of this with Qt 5.8.1?
+        # WORKAROUND (FIXME: remove this when we bump the requirements to 5.9?)
+        # https://github.com/qutebrowser/qutebrowser/issues/2289
         scheme = self._history.currentItem().url().scheme()
         if scheme in ['view-source', 'chrome']:
             raise browsertab.WebTabError("Can't serialize special URL!")