Update announcement banner

src/components/SQLCourse/CourseAnnouncement.tsx

@@ -6,7 +6,7 @@ export function CourseAnnouncement() {
   const [isVisible, setIsVisible] = useState(false);
 
   useEffect(() => {
-    const timer = setTimeout(() => setIsVisible(true), 1700);
+    const timer = setTimeout(() => setIsVisible(true), 5000);
     return () => clearTimeout(timer);
   }, []);
 
@@ -22,7 +22,7 @@ export function CourseAnnouncement() {
           <span className="flex items-center gap-1.5 text-xs font-medium text-black md:text-base">
             <Database className="hidden h-4 w-4 flex-shrink-0 text-black sm:block" />
             <span className="hidden sm:block">
-              Master SQL with our new paid course
+              Master SQL with our new premium course
             </span>
             <span className="block sm:hidden">Announcing our SQL course</span>
           </span>