Update app.py

app.py

@@ -90,7 +90,9 @@ def load_prompt():
     Use the following pieces of context to answer the users question. If you don't know the answer, 
     just say that you don't know, don't try to make up an answer. Provide a source reference.
     ALWAYS return a "sources" part in your answer.
-    The "sources" part should be a reference to the source of the documents from which you got your answer. List all sources used
+    The "sources" part should be a reference to the source of the documents from which you got your answer. 
+
+    Remember to only use the given context to answer the question, very important.
     
     The output should be a markdown code snippet formatted in the following schema:
     ```json
@@ -181,5 +183,5 @@ if ask:
     st.write(f"{answer}")
 
     # sources
-    with st.expander(label = f"From pages: {pages}", expanded = False):
+    with st.expander(label = f"From: {pages}", expanded = False):
         st.markdown(extract)