diff --git a/locales/ja/browser/browser/zen-space-routing.ftl b/locales/ja/browser/browser/zen-space-routing.ftl
index b0040d543..b2656100f 100644
--- a/locales/ja/browser/browser/zen-space-routing.ftl
+++ b/locales/ja/browser/browser/zen-space-routing.ftl
@@ -3,21 +3,21 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 zen-space-routing-settings = 
-    .label = Space Routing Settings
-zen-space-routing-rulepanel-placeholder = Routes let you choose where specific sites open inside Zen. For example, you can route YouTube links to always open inside your Personal space.
-zen-space-routing-dialog-title = Space Routing Settings
-zen-space-routing-external-default = Default route for external links
-zen-space-routing-new-route = New Route
-zen-space-routing-open-in-space = Open in Space
-zen-space-routing-most-recent-space = Most recent Space
+    .label = スペースルーティングの設定
+zen-space-routing-rulepanel-placeholder = ルートを使用すると、特定のサイトが「Zen」内でどこに開かれるかを選択できます。たとえば、YouTubeのリンクをあなたの個人的なスペース内に常に開くようにルーティングできます。
+zen-space-routing-dialog-title = スペースルーティングの設定
+zen-space-routing-external-default = 外部リンクのデフォルトルート
+zen-space-routing-new-route = 新しいルート
+zen-space-routing-open-in-space = スペースで開く
+zen-space-routing-most-recent-space = 直近のスペース
 zen-space-routing-close-button = 
-    .aria-label = Close
-    .tooltiptext = Close
+    .aria-label = 閉じる
+    .tooltiptext = 閉じる
 zen-space-routing-contains = 
-    .label = Contains
+    .label = 含まれています
 zen-space-routing-equal-to = 
-    .label = Is Equal To
+    .label = に等しい
 zen-space-routing-regex = 
-    .label = RegEx
-zen-space-routing-open-in = Open In
+    .label = 正規表現
+zen-space-routing-open-in = 開く
 zen-space-routing-url = URL