diff --git a/src/components/MDX/ExpandableCallout.tsx b/src/components/MDX/ExpandableCallout.tsx
index 2dfefd30d..676770897 100644
--- a/src/components/MDX/ExpandableCallout.tsx
+++ b/src/components/MDX/ExpandableCallout.tsx
@@ -53,7 +53,7 @@ const variantMap = {
       'linear-gradient(rgba(245, 249, 248, 0), rgba(245, 249, 248, 1)',
   },
   experimental: {
-    title: 'Experimental Feature',
+    title: '実験的機能',
     Icon: IconCanary,
     containerClasses:
       'bg-green-5 dark:bg-green-60 dark:bg-opacity-20 text-primary dark:text-primary-dark text-lg',
@@ -70,7 +70,7 @@ const variantMap = {
       'linear-gradient(rgba(249, 247, 243, 0), rgba(249, 247, 243, 1)',
   },
   wip: {
-    title: 'Under Construction',
+    title: '準備中',
     Icon: IconNote,
     containerClasses: 'bg-yellow-5 dark:bg-yellow-60 dark:bg-opacity-20',
     textColor: 'text-yellow-50 dark:text-yellow-40',