Spelling fixes (#205)

* Update customer-feedback.mdx

* Title change

Author: MitchellPetrie

customer-feedback.mdx

@@ -1,10 +1,10 @@
 ---
-title: 'Customer Feedback'
+title: 'CSAT'
 ---
 Automatically collect feedback at the end of each support thread — so you can spot issues early, improve team performance, and show customers you’re listening.
 
 <Info>
-  Customer feedback is only available on our [Grow and Scale tiers](https://plain.com/pricing). If you are interested in using this feature please reach out to use on [[email protected]](mailto:[email protected]).
+  CSAT is only available on our [Grow and Scale tiers](https://plain.com/pricing). If you are interested in using this feature please reach out to use on [[email protected]](mailto:[email protected]).
 </Info>
 
 <Frame>![CSAT in Plain](/public/images/customer-feedback.png)</Frame>
@@ -37,7 +37,7 @@ All responses are stored and visible:
 You can create and manage multiple CSAT surveys to target different parts of your customer base.
 
 You can:
-- Customise the survey message.
+- Customize the survey message.
 - Set a delay before sending (e.g. 15 minutes after a thread is marked Done).
 - Control frequency so customers aren’t asked to rate every thread.