docs: fix KD doc rendering (#434)

Signed-off-by: ashors1 <[email protected]>

docs/user-guide/knowledge-distillation.rst

@@ -45,6 +45,7 @@ To start, we must first download both the pre-trained student and fine-tuned tea
         #. Download the `Llama3-8B LLM model and tokenizer <https://huggingface.co/meta-llama/Meta-Llama-3-8B>`__ into the model's folder. You can use the Hugging Face CLI for this:
 
             .. code-block:: bash
+
                huggingface-cli download nvidia/nemotron-3-8b-chat-4k-sft --local-dir teacher_checkpoint
 
 After these steps, you should have files ``2b_student.nemo`` and ``teacher_checkpoint/Nemotron-3-8B-Chat-4k-SFT.nemo`` to use in NeMo-Aligner.