diff --git a/plugins/system/debug/debug.php b/plugins/system/debug/debug.php
index 19a30c0910a1c..9f46cb9b68688 100644
--- a/plugins/system/debug/debug.php
+++ b/plugins/system/debug/debug.php
@@ -283,7 +283,7 @@ public function onAfterRespond()
 
 		$html[] = '<div id="system-debug" class="profiler">';
 
-		$html[] = '<h1>' . JText::_('PLG_DEBUG_TITLE') . '</h1>';
+		$html[] = '<h2>' . JText::_('PLG_DEBUG_TITLE') . '</h2>';
 
 		if (JDEBUG)
 		{