diff --git a/preview.html b/preview.html
index 542de6d..8167c5f 100644
--- a/preview.html
+++ b/preview.html
@@ -209,8 +209,8 @@
               <!-- SimpleX chat -->
               <a class="button button-simplex" href="#" target="_blank" rel="noopener" role="button"><img class="icon" aria-hidden="true" src="images/icons/simplex.svg" alt="SimpleX Logo">SimpleX chat</a>
 
-              <!-- SimpleX chat alt -->
-              <a class="button button-simplex-dark" href="#" target="_blank" rel="noopener" role="button"><img class="icon" aria-hidden="true" src="images/icons/simplex-alt.svg" alt="SimpleX Logo">SimpleX chat alt</a>
+              <!-- SimpleX Chat Alt -->
+              <a class="button button-simplex-alt" href="#" target="_blank" rel="noopener" role="button"><img class="icon" aria-hidden="true" src="images/icons/simplex-alt.svg" alt="SimpleX Logo">SimpleX Chat</a>
 
               <!-- SpaceHey -->
               <a class="button button-spacehey" href="#" target="_blank" rel="noopener" role="button"><img class="icon" aria-hidden="true" src="images/icons-extended/spacehey.svg" alt="SpaceHey Logo">SpaceHey</a>