diff --git a/jax_dataloader/core.py b/jax_dataloader/core.py
index 50badd0..95ffd25 100644
--- a/jax_dataloader/core.py
+++ b/jax_dataloader/core.py
@@ -1,3 +1,5 @@
+"""Support various dataloader for loading batches."""
+
 # AUTOGENERATED! DO NOT EDIT! File to edit: ../nbs/core.ipynb.
 
 # %% ../nbs/core.ipynb 3