Slightly better docstring
diff --git a/Lib/email/Errors.py b/Lib/email/Errors.py
index e3a3666..93485de 100644
--- a/Lib/email/Errors.py
+++ b/Lib/email/Errors.py
@@ -7,7 +7,7 @@
 
 
 class MessageError(Exception):
-    """Base class for errors in this module."""
+    """Base class for errors in the email package."""
 
 
 class MessageParseError(MessageError):