Correct leaderboard link in README

Author: blueheron786

README.md

@@ -3,7 +3,7 @@
 
 FastChat is an open platform for training, serving, and evaluating large language model based chatbots.
 - FastChat powers Chatbot Arena ([lmarena.ai](https://lmarena.ai)), serving over 10 million chat requests for 70+ LLMs.
-- Chatbot Arena has collected over 1.5M human votes from side-by-side LLM battles to compile an online [LLM Elo leaderboard](https://lmarena.ai/?leaderboard).
+- Chatbot Arena has collected over 1.5M human votes from side-by-side LLM battles to compile an online [LLM Elo leaderboard](https://lmarena.ai/leaderboard).
 
 FastChat's core features include:
 - The training and evaluation code for state-of-the-art models (e.g., Vicuna, MT-Bench).