explicit about 'in your own database'

Author: vladvelici

src/pages/docs/guides/chat/bring-own-database.mdx

@@ -35,7 +35,7 @@ After performing the decoding and you have a chat `Message` object, you can:
 <Code>
 ```javascript
 const saveOrUpdateMessage = (message) => {
-  // Check if the message already exists by `serial`
+  // Check if the message already exists in your own database by `serial`
   const existingMessage = await getMessageBySerial(message.serial);
   if (!existingMessage) {
     // message not yet in your database => save it