update yaml

Signed-off-by: HuiyingLi <willwin.lee@gmail.com>

Author: HuiyingLi

examples/llm_finetune/gemma/functiongemma_xlam.yaml

@@ -16,6 +16,8 @@
 # To run this recipe, please use the following command:
 # torchrun --nproc-per-node=8 recipes/llm_finetune/finetune.py --config examples/llm_finetune/gemma/functiongemma_xlam.yaml
 # Adjust --nproc-per-node to the number of GPUs available on your host machine.
+#
+# For details, please refer to tutorial:https://github.com/NVIDIA-NeMo/Automodel/blob/main/docs/guides/llm/toolcalling.md
 
 
 step_scheduler: