diff --git a/locales/en-US.yml b/locales/en-US.yml
index 8f6f5e7d27..42fda0ae5e 100644
--- a/locales/en-US.yml
+++ b/locales/en-US.yml
@@ -788,6 +788,8 @@ desktop/views/components/settings.vue:
   auto-popout-desc: "If it's possible, pop-out display will be used instead of opening a new window. This setting is stored in your browser."
   deck-nav: "Transitionless deck navigation"
   deck-nav-desc: "You get a temporary column without page transitions during navigation when using the deck."
+  keep-cw: "CW保持"
+  keep-cw-desc: "投稿にリプライする際、リプライ元の投稿にCWが設定されていたとき、デフォルトで同じCWを設定するようにします。"
   deck-default: "Use Deck as default UI"
   display: "Design and display"
   customize: "Customize home layout"
@@ -1467,6 +1469,7 @@ mobile/views/pages/settings.vue:
   notification-position-top: "Top"
   behavior: "Behavior"
   fetch-on-scroll: "Endless loading on scroll"
+  keep-cw: "CW保持"
   note-visibility: "Post visibility"
   default-note-visibility: "Default visibility"
   remember-note-visibility: "Remember post visibility"