Update README.md

README.md

@@ -180,7 +180,9 @@ outputs = model.generate(inputs, streamer=streamer, max_new_tokens=300)
 ```python
 from transformers import AutoTokenizer, TextStreamer
 from intel_extension_for_transformers.transformers import AutoModelForCausalLM, WeightOnlyQuantConfig
-model_name = "Intel/neural-chat-7b-v3-2"     
+model_name = "Intel/neural-chat-7b-v3-2"
+
+# for int8, should set weight_dtype="int8"      
 config = WeightOnlyQuantConfig(compute_dtype="bf16", weight_dtype="int4")
 prompt = "Once upon a time, there existed a little girl,"