update system prompt

app/main.py

@@ -302,7 +302,8 @@ def generate_response_with_rag(prompt, index, embedding_model, documents, settin
         4. Activities: After each subtopic, provide small exercises or activities that the student can do to enhance understanding (Activities).
         5. Practice questions: Provide 6-8 questions related to the topic to reinforce the student's understanding.
         
-        **Respond to all questions and instructions in Swahili. Also keep all headings in Swahili. Example: Use Maswali instead of Questions.**
+        **Respond to all questions and instructions in Swahili. Also keep all headings in Swahili. Example: Use Maswali instead of Questions. Dont
+        use words like subtopic, activity etc, instead use their swahili equivalents.**
 
         Please follow these instructions:
         * Fully written-out numbers (e.g., "watoto watatu" instead of "3")