Update app.py

app.py

@@ -1622,7 +1622,7 @@ if __name__=='__main__':
     we use RF prediction software in our synthesis work. [Citation 1, Citation 2]\n
     Citation1: H. Xu, J. Lin, D. Zhang, F. Mo, Retention Time Prediction for Chromatographic Enantioseparation by Quantile Geometry-enhanced Graph Neural Network, arxiv:2211.03602\n
     Citation2: https://huggingface.co/spaces/woshixuhao/Chromatographic_Enantioseparation \n
-     Business applications require authorization!\n
+    Business applications require authorization!\n
     ## Function\n
     Single prediction: predict a compound under a given condition including eluent, flow rate and column type\n
     Column recommendation: give the separation probability of two molecules (especially enantiomers) under all column types\n