Update _index.en.md

Signed-off-by: lunamidori5 <[email protected]>

docs/content/models/_index.en.md

@@ -25,7 +25,7 @@ GPT and text generation models might have a license which is not permissive for
 
 ## Useful Links and resources
 
-- [Open LLM Leaderboard](https://huggingface.co/spaces/HuggingFaceH4/open_llm_leaderboard) - here you can find a list of the most performing models on the Open LLM benchmark. Keep in mind models compatible with LocalAI must be quantized in the `ggml` format.
+- [Open LLM Leaderboard](https://huggingface.co/spaces/HuggingFaceH4/open_llm_leaderboard) - here you can find a list of the most performing models on the Open LLM benchmark. Keep in mind models compatible with LocalAI must be quantized in the `gguf` format.
 
 
 ## Model repositories