Fix example usage

README.md

@@ -17,8 +17,8 @@ The model was trained on the OLMo2 pretraining data. It has a context length of
 ```
 from transformers import AutoTokenizer, AutoModelForCausalLM
 
-tokenizer = AutoTokenizer.from_pretrained("UW/OLMo2-8B-SuperBPE-t180k")
-model = AutoModelForCausalLM.from_pretrained("UW/OLMo2-8B-SuperBPE-t180k")
+tokenizer = AutoTokenizer.from_pretrained("UW/OLMo2-11B-SuperBPE-t180k")
+model = AutoModelForCausalLM.from_pretrained("UW/OLMo2-11B-SuperBPE-t180k")
 
 tokenizer.convert_ids_to_tokens(tokenizer.encode("By the way, I am a fan of the Milky Way."))
 # ['ByĠtheĠway', ',ĠIĠam', 'Ġa', 'Ġfan', 'ĠofĠthe', 'ĠMilkyĠWay', '.']