diff --git a/playground/index.html b/playground/index.html
index 5d333ca9..98a2af6c 100644
--- a/playground/index.html
+++ b/playground/index.html
@@ -31,7 +31,7 @@
     >
       renderRichTextWithOptions
     </button>
-    <button class="render-rich-text" onclick="newRichTextResolver()">
+    <button class="new-render-rich-text" onclick="newRichTextResolver()">
       newRichTextRenderer
     </button>
     <h3>Rich Text Renderer</h3>