Docstrings.

diff --git a/bulletml/errors.py b/bulletml/errors.py
index 16b7106..32cb773 100644 (file)
--- a/bulletml/errors.py
+++ b/bulletml/errors.py
@@ -1,3 +1,6 @@
+"""Base error classes for bulletml."""
+
 class Error(Exception):
+    """Base error class for bulletml."""
     pass