diff --git a/prospector/exceptions.py b/prospector/exceptions.py
index <HASH>..<HASH> 100644
--- a/prospector/exceptions.py
+++ b/prospector/exceptions.py
@@ -1,7 +1,11 @@
 # -*- coding: utf-8 -*-
+
+# We are trying to handle pylint changes in their exception classes
 try:
+    # pylint < 1.7
     from pylint.utils import UnknownMessage as UnknownMessageError
 except ImportError:
+    # pylint >= 1.7
     from pylint.exceptions import UnknownMessageError
 
 class FatalProspectorException(Exception):
Add comments about detecting pylint exception classes