Fix typo

app.py

@@ -469,7 +469,7 @@ with app:
         
         ## About this web
                 
-        **Use cases**. The predictor can be used in: (i) Drug Discovery for to the development of novel drugs and vaccines for various diseases such as cancer, 
+        **Use cases**. The predictor can be used in: (i) Drug Discovery for the development of novel drugs and vaccines for various diseases such as cancer, 
         neurodegenerative disorders, and infectious diseases, (ii) Biotechnological Applications to develop new biocatalysts for biofuels, 
         industrial chemicals, and pharmaceuticals (iii) Therapeutic Protein Design to develop therapeutic proteins with enhanced stability, 
         specificity, and efficacy, and (iv) Mechanistic Studies to gain insights into fundamental biological processes, such as signal transduction,