diff --git a/jedi/evaluate/compiled/__init__.py b/jedi/evaluate/compiled/__init__.py
index be838150..66a058a7 100644
--- a/jedi/evaluate/compiled/__init__.py
+++ b/jedi/evaluate/compiled/__init__.py
@@ -325,9 +325,10 @@ def load_module(path, name):
     try:
         __import__(dotted_path)
     except RuntimeError:
-        # RuntimeError: the PyQt4.QtCore and PyQt5.QtCore modules both wrap
-        # the QObject class
         if 'PySide' in dotted_path or 'PyQt' in dotted_path:
+            # RuntimeError: the PyQt4.QtCore and PyQt5.QtCore modules both wrap
+            # the QObject class.
+            # See https://github.com/davidhalter/jedi/pull/483
             return None
     # Just access the cache after import, because of #59 as well as the very
     # complicated import structure of Python.