readme: update GGUF quant links

README.md

@@ -99,7 +99,7 @@ Given the size of this model (218B parameters), it requires substantial computat
 
 ## Notes
 
-This was just a fun testing model, merged with the `merge.py` script in the base of the repo. Find GGUFs at [leafspark/Mistral-Large-218B-Instruct-GGUF](https://huggingface.co/leafspark/Mistral-Large-218B-Instruct-GGUF/)
+This was just a fun testing model, merged with the `merge.py` script in the base of the repo. Find GGUFs at [mradermacher/Mistral-Large-218B-Instruct-GGUF](https://huggingface.co/mradermacher/Mistral-Large-218B-Instruct-GGUF)
 
 Compatible `mergekit` config:
 ```yaml