diff --git a/understanding.html b/understanding.html
index 81068aa..0bd46a6 100644
--- a/understanding.html
+++ b/understanding.html
@@ -14,7 +14,7 @@
     </head>
 
     <body>
-        <h1 class="blue ml4">Understanding Promises</h1>
+        <h1 class="orange ml4">Understanding Promises</h1>
         <div class="flex w-50 pa4">
             <button class="bg-orange mr2" onclick="race()">Race Condition</button>
             <button class="bg-orange mr2" onclick="callbacks()">Callback Hell</button>
