Apply suggestion from @AndyTWF

Co-authored-by: Andy Ford <andy.ford@ably.com>

Author: vladvelici

src/pages/docs/chat/integrations.mdx

@@ -9,7 +9,7 @@ To integrate with an external service, you need to be aware of how Ably Chat mes
 
 If you're looking to add moderation, Ably Chat already has [built-in moderation](/docs/chat/moderation) support for Hive, Tisane, and Bodyguard, and you can also [build custom moderation](/docs/chat/moderation/custom).
 
-This guide is also applicable if you are using Ably Chat with a language or platform that doesn't yet have an Ably Chat SDK, but it has an Ably Pub/Sub SDK.
+This guide is also applicable if you are using Ably Chat with a language or platform that doesn't yet have an Ably Chat SDK, but does have an Ably Pub/Sub SDK.
 
 ## Convert a Pub/Sub message to a Chat message <a id="pub-sub-to-chat"/>