changed logo

README.md

@@ -33,7 +33,7 @@ source_datasets:
 ---
 
 <p align="center" style="margin-top: -2em">
-<img src="https://huggingface.co/datasets/allenai/pes2o/resolve/main/peS2o.png" alt="peS2o logo. It's a picure of a mortar and pestle with documents flying in." width=384px height=auto>  
+<img src="https://huggingface.co/datasets/allenai/pes2o/resolve/main/logo.png" alt="peS2o logo. It's a picure of a mortar and pestle with documents flying in." width=384px height=auto>  
 </p>