Update README.md

README.md

@@ -185,7 +185,7 @@ Finally, we convert the pre-trained model into Huggingface's format:
 ```
 python3 scripts/convert_bert_from_uer_to_huggingface.py --input_model_path models/cluecorpussmall_word_roberta_medium_seq128_model.bin-250000 \
                                                         --output_model_path pytorch_model.bin \
-                                                        --layers_num 8 --target mlm
+                                                        --layers_num 8 --type mlm
 ```
 
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