diff --git a/python/mxnet/contrib/onnx/onnx2mx/import_onnx.py b/python/mxnet/contrib/onnx/onnx2mx/import_onnx.py
index a9b3e6b30852..d5071af0763d 100644
--- a/python/mxnet/contrib/onnx/onnx2mx/import_onnx.py
+++ b/python/mxnet/contrib/onnx/onnx2mx/import_onnx.py
@@ -200,6 +200,7 @@ def _parse_array(self, tensor_proto):
         if len(tuple(tensor_proto.dims)) > 0:
             np_array = to_array(tensor_proto).reshape(tuple(tensor_proto.dims))
         else:
+            # If onnx's params are scalar values without dims mentioned.
             np_array = np.array([to_array(tensor_proto)])
         return nd.array(np_array)