changed "application" to "app"

app.py

@@ -22,7 +22,7 @@ def delete_note(index):
     notes_df = notes_df.drop(index)
 
 # Streamlit app
-st.title("Note-Taking Application")
+st.title("Note-Taking App")
 
 # Create a new note
 st.header("Create a New Note")