Update comment in index.html and fix closing tag

Author: DevLabStudy

index.html

@@ -180,7 +180,7 @@
     .sponsor-link { color: var(--accent-blue); font-weight: 700; text-decoration: none; transition: 0.2s; }
     .sponsor-link:hover { text-decoration: underline; }
 
-    /* MARKETPLACE & SUPPORT (ESTETYCZNE KAFLE W STYLU DARK TECH) */
+    /* MARKETPLACE & SUPPORT */
     .extra-grid {
         display: grid;
         grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));