small fix and add a link

Author: mchoi8739

doc/api/training/smd_model_parallel_release_notes/smd_model_parallel_change_log.rst

@@ -35,19 +35,20 @@ The following new features are added for PyTorch.
 
 This version passed benchmark testing and is migrated to the following AWS Deep Learning Containers (DLC):
 
-- PyTorch 1.11.0 DLC
+- DLC for PyTorch 1.11.0
 
   .. code::
 
     763104351884.dkr.ecr.<region>.amazonaws.com/pytorch-training:1.11.0-gpu-py38-cu113-ubuntu20.04-sagemaker
 
-- PyTorch 1.11.0 DLC
+- DLC for PyTorch 1.12.0
 
   .. code::
 
     763104351884.dkr.ecr.<region>.amazonaws.com/pytorch-training:1.12.0-gpu-py38-cu113-ubuntu20.04-sagemaker
 
-Binary file of this version of the library for custom container users:
+Binary file of this version of the library for `custom container
+<https://docs.aws.amazon.com/sagemaker/latest/dg/data-parallel-use-api.html#data-parallel-bring-your-own-container>`_ users:
 
 - For PyTorch 1.11.0