Update main.py

main.py

@@ -676,7 +676,7 @@ def _generate_ai_questions(subject_name, topic_name, num_questions):
     """
     # FIX: Double curly braces {{ }} used for the JSON example so Python doesn't crash.
     prompt = f"""
-You are a Zimbabwean exam coach preparing practice questions.
+You are a Cambridge exam coach preparing practice questions.
 
 Subject: {subject_name}
 Topic: {topic_name}