diff --git a/pytorch_lightning/callbacks/model_checkpoint.py b/pytorch_lightning/callbacks/model_checkpoint.py
index 2bff21cb..832a5665 100644
--- a/pytorch_lightning/callbacks/model_checkpoint.py
+++ b/pytorch_lightning/callbacks/model_checkpoint.py
@@ -1,3 +1,10 @@
+"""
+Model Checkpointing
+===================
+
+Automatically save model checkpoints during training.
+"""
+
 import os
 import shutil
 import logging as log