add short description

README.md

@@ -1,5 +1,5 @@
 ---
-title: Genception Leaderboard
+title: GenCeption Leaderboard
 emoji: 🔥
 colorFrom: red
 colorTo: green
@@ -7,6 +7,8 @@ sdk: gradio
 sdk_version: 4.19.2
 app_file: leaderboard/app.py
 pinned: true
+short_description: The annotation-free MLLM evaluation benchmark.
+license: mit
 ---
 
 # GenCeption: Evaluate Multimodal LLMs with Unlabeled Unimodal Data
@@ -63,4 +65,4 @@ The MME dataset, of which the image modality was used in our paper, can be obtai
     journal={arXiv preprint arXiv:2402.14973},
     primaryClass={cs.AI,cs.CL,cs.LG}
 }
-```
+```