Update index.mdx (#12673)

Author: rachrwang

docs/product/issues/issue-details/sentry-ai/index.mdx

@@ -13,7 +13,7 @@ Once you've set up Sentry AI, you'll be able to use the following features:
 
 <Alert>
 
-Issue Summary and Autofix are currently in Beta free of charge for paid Sentry customers. Feedback is highly welcomed and can be submitted in-product or via email to autofix@sentry.io. Sentry AI is not available for EU customers.
+Issue Summary and Autofix are currently in Beta, free of charge, for paid Sentry customers. Feedback is highly welcomed and can be submitted in-product or via email to autofix@sentry.io. Sentry AI is not available for EU customers.
 
 </Alert>