diff --git a/docs/readthedocs/source/doc/UserGuide/databricks.md b/docs/readthedocs/source/doc/UserGuide/databricks.md
index 794891aa..b0e7a4d3 100644
--- a/docs/readthedocs/source/doc/UserGuide/databricks.md
+++ b/docs/readthedocs/source/doc/UserGuide/databricks.md
@@ -113,8 +113,10 @@ Output on Databricks:
 
 - [Keras example on Databricks](https://github.com/intel-analytics/BigDL/blob/main/python/orca/tutorial/databricks/tf_keras_ncf.ipynb)
 - [Pytorch example on Databricks](https://github.com/intel-analytics/BigDL/blob/main/python/orca/tutorial/databricks/pytorch_fashion_mnist.ipynb)
-
-> Note that if you want to save model to DBFS, or load model from DBFS, the save/load path should be the **File API Format** on Databricks, which means your save/load path should start with `/dbfs`.
+> Note
+> * If you run Pytorch example with `spark` backend (i.e.`Estimator.from_torch(..., backend="spark")`) on multiple node cluster, you need to set GLOO_SOCKET_IFNAME="eth0" in cluster's configuration as below:
+![](images/db-gloo-socket.png)
+> * If you want to save model to DBFS, or load model from DBFS, the save/load path should be the **File API Format** on Databricks, which means your save/load path should start with `/dbfs`.
 
 ### 6. Other ways to install third-party libraries on Databricks if necessary
 
diff --git a/docs/readthedocs/source/doc/UserGuide/images/db-gloo-socket.png b/docs/readthedocs/source/doc/UserGuide/images/db-gloo-socket.png
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