Update app.py

app.py

@@ -21,7 +21,7 @@ class SpellChecker:
 
     def check_spelling(self, text):
         completion = client.chat.completions.create(
-            model="llama3-8b-8192",
+            model="llama-3.1-70b-versatile",
             messages=[
                 {
                     "role": "system",