diff --git a/locales/ja/browser/browser/zen-workspaces.ftl b/locales/ja/browser/browser/zen-workspaces.ftl
index 3340fde06..8ff85f14d 100644
--- a/locales/ja/browser/browser/zen-workspaces.ftl
+++ b/locales/ja/browser/browser/zen-workspaces.ftl
@@ -49,6 +49,9 @@ zen-panel-ui-gradient-generator-algo-floating =
 zen-panel-ui-gradient-click-to-add = クリックして色を追加する
 zen-workspace-creation-name = 
     .placeholder = スペース名
+zen-move-tab-to-workspace-button = 
+    .label = Move To...
+    .tooltiptext = Move all tabs in this window to a Space
 zen-workspaces-panel-context-reorder = 
     .label = スペースの順序を変更する
 zen-workspace-creation-profile = プロファイル