Update app.py

app.py

@@ -69,7 +69,7 @@ selected_records = creative_activities[activity_area]
 selected_record = st.multiselect("누가기록을 선택하세요:", selected_records, default=[])
 
 # 선택된 누가기록 연결
-concatenated_record = " ".join(selected_record)
+concatenated_record = ", ".join(selected_record)
 st.text_area("선택된 누가기록:", concatenated_record, height=100)
 
 # 세션 상태 초기화