Update app.py

app.py

@@ -53,6 +53,7 @@ athena = gr.ChatInterface(
             This task will be either providing helpful vocabulary or creating a fun activity.
             Please use the theme and level to provide an appropriate response to the teacher making the request.
             Please use only British English spelling, expressions and terms.
+            You may be asked questions in Russian language, it is okay to speak Russian.
             """,
             label="System message"
         ),