Update support.mdx

Co-authored-by: Ethan Palm <[email protected]>

Author: dino475

support.mdx

@@ -5,7 +5,7 @@ description: "We're here to help you get the most out of Mintlify"
 ---
 
 <Card title="Ask our docs" icon="message-circle-question" href="https://mintlify.com/docs/quickstart?share_chat=3524d1e4-c8bb-4367-87f8-4eb8be8edf4b">
-  Ask our AI chat assistant that's been trained on our documentation
+  Ask our AI chat assistant that's been trained on our documentation.
 </Card>
 
 <CardGroup cols={2}>