diff --git a/docs/script.js b/docs/script.js
index 0384dbc..adf66cd 100644
--- a/docs/script.js
+++ b/docs/script.js
@@ -312,20 +312,21 @@ const sampleCollection = [
     title: 'balloons',
     showCode: false,
     code: `<section class="message-list">
-    <section class="message -left">
+  <section class="message -left">
   <i class="nes-bcrikko"></i>
-  <!-- Balloon -->
-  <div class="nes-balloon from-left">
-    <p>Hello NES.css</p>
-  </div>
-</section>
+    <!-- Balloon -->
+    <div class="nes-balloon from-left">
+      <p>Hello NES.css</p>
+    </div>
+  </section>
 
-<section class="message -right">
-  <!-- Balloon -->
-  <div class="nes-balloon from-right">
-    <p>Good morning. Thou hast had a good night's sleep, I hope.</p>
-  </div>
-  <i class="nes-bcrikko"></i>
+  <section class="message -right">
+    <!-- Balloon -->
+    <div class="nes-balloon from-right">
+      <p>Good morning. Thou hast had a good night's sleep, I hope.</p>
+    </div>
+    <i class="nes-bcrikko"></i>
+  </section>
 </section>`,
   },
   {