Update intermediate_source/pipelining_tutorial.rst

Co-authored-by: Svetlana Karslioglu <svekars@meta.com>

Author: H-Huang

intermediate_source/pipelining_tutorial.rst

@@ -235,6 +235,6 @@ Additional Resources
 --------------------
 
 We have successfully integrated ``torch.distributed.pipelining`` into the `torchtitan repository <https://github.com/pytorch/torchtitan>`__. TorchTitan is a clean, minimal code base for
-Large-scale LLM training using native PyTorch. For a production ready usage of pipeline
+large-scale LLM training using native PyTorch. For a production ready usage of pipeline
 parallelism as well as composition with other distributed techniques, see
 `TorchTitan end to end example of 3D parallelism <https://github.com/pytorch/torchtitan>`__.