diff --git a/tensorrt_llm/llmapi/llm_args.py b/tensorrt_llm/llmapi/llm_args.py
index 49a4c3486d4b..58b05edad2be 100644
--- a/tensorrt_llm/llmapi/llm_args.py
+++ b/tensorrt_llm/llmapi/llm_args.py
@@ -3043,8 +3043,7 @@ def update_llm_args_with_extra_dict(
 
     llm_args = llm_args | llm_args_dict
 
-    # For trtllm-bench or trtllm-serve, build_config may be passed for the PyTorch
-    # backend, overwriting the knobs there since build_config always has the highest priority
+    # build_config only works for TensorRT backend, it will be ignored in PyTorch backend
     if "build_config" in llm_args:
         # Ensure build_config is a BuildConfig object, not a dict
         if isinstance(llm_args["build_config"], dict):