diff --git a/src/layouts/index.html b/src/layouts/index.html
index 218070d..02e125f 100644
--- a/src/layouts/index.html
+++ b/src/layouts/index.html
@@ -224,7 +224,7 @@
     </div>
     <div class="row">
       <div class="col-xl-6 col-lg-6 col-mg-6 col-sm-12 col-12 ps-5 pe-5 mb-xl-0 mb-lg-0 mb-md-0 mb-sm-5 mb-5 teacli-col">
-        <h3 class="text-center" style="font-size:28px; line-height:32px;">Download tea/gui (beta) for MacOS</h3>
+        <h3 class="text-center" style="font-size:28px; line-height:32px;">Download tea/gui (beta) for macOS</h3>
         <p class="text-center mb-4">A new visual package manager that everyone can use.</p>
         <div class="row mb-3 gx-3">
           <div class="col">