Update app.py

app.py

@@ -52,7 +52,7 @@ def format_prompt_grammar(message):
     prompt = "<s>"
 
     # String to add before every prompt
-    prompt_prefix = "Correct any grammatical errors in the following sentence and provide the corrected version:"
+    prompt_prefix = "Correct any grammatical errors in the following sentence and provide the corrected version:\nSentence:"
     prompt_template = "[INST] " + prompt_prefix + ' {} [/INST]'
 
     history = [["It is my friends house in England.", "It is my friend's house in England."], ["Every girl must bring their books to school.", "Every girl must bring her books to school."], ["I have been to New York last summer.", "I went to New York last summer."]]