fix

app/bot/routers/content.py

@@ -63,6 +63,12 @@ async def t_callback_node_content(query: types.CallbackQuery, memory=None, user=
         db_session, db_session.query(StoredContent).filter_by(
             id=content_oid
         ).first(),
+        extra_buttons=[
+            [{
+                'text': user.translated('back_button'),
+                'callback_data': 'ownedContent'
+            }]
+        ],
         message_id=query.message.message_id
     )