Update M2M_100.md

Author: Xiaoxue-xx

instructions/Multilingual Models/M2M_100.md

@@ -1,6 +1,6 @@
 ## M2M_100
 
-You can fine-tune a NLLB model from HuggingFace through ``model=NLLB``, ``model_path=<hf-or-local-path>``, ``dataset=<dataset-name>``. Specifically, M2M is a Multilingual Model. You can set source language and target language with ``tokenizer_kwargs={'src_lang': 'source language', 'tgt_lang': 'target_language'}``.
+You can fine-tune a M2M_100 model from HuggingFace through ``model=M2M_100``, ``model_path=<hf-or-local-path>``, ``dataset=<dataset-name>``. Specifically, M2M is a Multilingual Model. You can set source language and target language with ``tokenizer_kwargs={'src_lang': 'source language', 'tgt_lang': 'target_language'}``.
 
 Example usage: