Update README.md

README.md

@@ -20,7 +20,7 @@ tflite and munually optimized onnx format of the Perch v2 model.
 
 Source https://www.kaggle.com/models/google/bird-vocalization-classifier/
 
-- `perch_v2_no_dft.onnx`: ONNX model with the DFT node converted to MatMul using `scripts/convert_dft_to_matmul.py` for addtional speedup.
+- `perch_v2_no_dft.onnx`: ONNX model with the DFT node converted to MatMul using `scripts/convert_dft_to_matmul.py` for addtional speedup. It is slightly less accurate (tolerance within 2e-4 vs 1e-5 when comparing agaist the tflite model).
 - `perch_v2.onnx`: The converted ONNX model.
 - `perch_v2.tflite`: The tflite model.