diff --git a/templates/zerver/app/markdown_help.html b/templates/zerver/app/markdown_help.html
index b6dd58ef54..eb61e771c9 100644
--- a/templates/zerver/app/markdown_help.html
+++ b/templates/zerver/app/markdown_help.html
@@ -134,7 +134,7 @@ This text won't be visible until the user clicks.
 ```</td>
                         <td class="rendered_markdown">
                             <div class="spoiler-block">
-                                <div class="spoiler-header"><a class="spoiler-button"><span class="spoiler-arrow"></span></a>
+                                <div class="spoiler-header"><span class="spoiler-button"><span class="spoiler-arrow"></span></span>
                                     <p>Always visible heading</p>
                                 </div>