diff --git a/html/include/header.html b/html/include/header.html
index 5f70ec1..04937e5 100644
--- a/html/include/header.html
+++ b/html/include/header.html
@@ -1,5 +1,5 @@
  <script>
-  //헤드 풀다운메뉴
+  //헤더 풀다운메뉴
   $(document).ready(function () {
     $('#hd').on('mouseenter', function () {
       $('#hd').css('background', 'rgb(255, 255, 255, 1)');
diff --git a/html/index.html b/html/index.html
index 98f53e7..90a7f1b 100644
--- a/html/index.html
+++ b/html/index.html
@@ -61,7 +61,7 @@
         <span class="wow fadeInUp big" data-wow-duration="2s">PAL Networks</span>
         <span class="wow fadeInUp sm" data-wow-duration="4s">항공·전문 IT산업분야의 소프트웨어 개발 전문 기업</span>   
       </div>
-      <div class="wow fadeIn scroll-animation" data-wow-duration="8s">
+      <div class="wow fadeIn scroll-animation" data-wow-duration="4s">
         <div class="scroll-box">
           <span>SCROLL DOWN</span>
           <span class="scroll-icon"><img src="images/scroll_icon.svg"></span>