diff --git a/qutebrowser/browser/webengine/webenginesettings.py b/qutebrowser/browser/webengine/webenginesettings.py
index b74356727..12503a7c0 100644
--- a/qutebrowser/browser/webengine/webenginesettings.py
+++ b/qutebrowser/browser/webengine/webenginesettings.py
@@ -36,8 +36,8 @@ from PyQt5.QtWebEngineWidgets import (QWebEngineSettings, QWebEngineProfile,
 from qutebrowser.browser import shared
 from qutebrowser.browser.webengine import spell
 from qutebrowser.config import config, websettings
-from qutebrowser.utils import (utils, standarddir, javascript, qtutils, message,
-                               log)
+from qutebrowser.utils import (utils, standarddir, javascript, qtutils,
+                               message, log)
 
 # The default QWebEngineProfile
 default_profile = None
diff --git a/qutebrowser/config/configfiles.py b/qutebrowser/config/configfiles.py
index 605c7372d..1c6ebff13 100644
--- a/qutebrowser/config/configfiles.py
+++ b/qutebrowser/config/configfiles.py
@@ -260,6 +260,7 @@ class ConfigAPI:
             self._keyconfig.unbind(key, mode=mode)
 
     def source(self, filename):
+        """Read the given config file from disk."""
         if not os.path.isabs(filename):
             filename = str(self.configdir / filename)