Complete the model card provenance and license

app.py

@@ -134,10 +134,13 @@ model_card = ModelCard(
     name="PiCoGen2",
     description=(
         (
+            (
             "Generates a piano cover from a short pop song clip: SheetSage extracts "
             "melody/harmony audio features, and a GPT-NeoX decoder turns them into "
-            "piano notes. Repository: https://github.com/tanchihpin0517/PiCoGen "
-            "Paper: https://arxiv.org/abs/2407.20883"
+            "piano notes. Repository: "
+            "https://github.com/tanchihpin0517/PiCoGen/tree/v2 Paper: "
+            "https://arxiv.org/abs/2407.20883"
+            )
         )
     ),
     author="Chih-Pin Tan, Hsin Ai, Yi-Hsin Chang, Shuen-Huei Guan, Yi-Hsuan Yang",