fix grammar

src/app/page.tsx

@@ -280,7 +280,7 @@ export default function HomePage() {
         ) : (
           <div className="mb-4 p-4 border border-dashed rounded-lg text-center">
             <div className="text-sm text-muted-foreground">
-              Sign in to unlock AI natural language event creation
+              Sign in to unlock natural language event creation powered by AI
             </div>
           </div>
         )}