Update app.py

app.py

@@ -42,7 +42,7 @@ except Exception as e:
 
 def load_and_preprocess_text(filename):
     """
-    Load and preprocess text from a file, removing empty lines and stripping whitespace.
+Load and preprocess text from a file, removing empty lines and stripping whitespace.
     """
     try:
         with open(filename, 'r', encoding='utf-8') as file: