upd cite

app.py

@@ -128,7 +128,7 @@ if __name__ == "__main__":
   title        = {A holistic evaluation of piano sound quality},
   author       = {Monan Zhou and Shangda Wu and Shaohua Ji and Zijin Li and Wei Li},
   booktitle    = {National Conference on Sound and Music Technology},
-  pages        = {3-17},
+  pages        = {3--17},
   year         = {2023},
   organization = {Springer}
 }