Update README.md

Mistake with the underscore on model_name_or_path="michaelfeil/ct2fast-m2m100-12B-last-ckpt", device="cpu", compute_type="int8",
tokenizer=AutoTokenizer.from_pretrained(f"facebook/m2m100_418M")

README.md

@@ -116,7 +116,7 @@ pip install hf_hub_ctranslate2>=1.0.3 ctranslate2>=3.13.0
 from hf_hub_ctranslate2 import MultiLingualTranslatorCT2fromHfHub
 
 model = MultiLingualTranslatorCT2fromHfHub(
-    model_name_or_path="michaelfeil/ct2fast-m2m100_12B-last-ckpt", device="cpu", compute_type="int8",
+    model_name_or_path="michaelfeil/ct2fast-m2m100-12B-last-ckpt", device="cpu", compute_type="int8",
     tokenizer=AutoTokenizer.from_pretrained(f"facebook/m2m100_418M")
 )