Update license

README.md

@@ -13,7 +13,7 @@ configs:
 - config_name: default
   data_files:
   - split: train
-    path: "*.arrow"
+    path: '*.arrow'
 dataset_info:
   features:
   - name: question
@@ -45,6 +45,7 @@ dataset_info:
   splits:
   - name: train
     num_examples: 311
+license: cc-by-4.0
 ---
 # MMSearch-Plus✨: Benchmarking Provenance-Aware Search for Multimodal Browsing Agents
 
@@ -159,4 +160,4 @@ If you find **MMSearch-Plus** useful for your research and applications, please
   journal={arXiv preprint arXiv:2508.21475},
   year={2025}
 }
-```
+```