diff --git a/_locales/de/messages.json b/_locales/de/messages.json
index 5aafe034..c25761ac 100644
--- a/_locales/de/messages.json
+++ b/_locales/de/messages.json
@@ -411,7 +411,7 @@
     "message": "Style installieren"
   },
   "installButtonInstalled": {
-    "message": "Style installiert"
+    "message": "Style erfolgreich installiert"
   },
   "installButtonReinstall": {
     "message": "Style neu installieren"
diff --git a/_locales/ja/messages.json b/_locales/ja/messages.json
index ecdb9151..c282ef9b 100644
--- a/_locales/ja/messages.json
+++ b/_locales/ja/messages.json
@@ -420,7 +420,7 @@
     "message": "インストール"
   },
   "installButtonInstalled": {
-    "message": "インストール済み"
+    "message": "スタイルがインストールされています"
   },
   "installButtonReinstall": {
     "message": "再インストール"
diff --git a/_locales/nl/messages.json b/_locales/nl/messages.json
index 5d659761..8b3d5542 100644
--- a/_locales/nl/messages.json
+++ b/_locales/nl/messages.json
@@ -433,7 +433,7 @@
     "message": "Stijl installeren"
   },
   "installButtonInstalled": {
-    "message": "Stijl geïnstalleerd"
+    "message": "Stijl is geïnstalleerd"
   },
   "installButtonReinstall": {
     "message": "Stijl herinstalleren"
diff --git a/_locales/pl/messages.json b/_locales/pl/messages.json
index b4c7d93c..666cd899 100644
--- a/_locales/pl/messages.json
+++ b/_locales/pl/messages.json
@@ -458,7 +458,7 @@
     "message": "Zainstaluj styl"
   },
   "installButtonInstalled": {
-    "message": "Styl zainstalowano"
+    "message": "Styl jest zainstalowany"
   },
   "installButtonReinstall": {
     "message": "Przeinstaluj styl"
diff --git a/_locales/zh_CN/messages.json b/_locales/zh_CN/messages.json
index 8ce2fb86..637e15d0 100644
--- a/_locales/zh_CN/messages.json
+++ b/_locales/zh_CN/messages.json
@@ -811,7 +811,7 @@
     "message": "行："
   },
   "openManage": {
-    "message": "管理器"
+    "message": "管理样式"
   },
   "openOptions": {
     "message": "选项"
@@ -889,7 +889,7 @@
     "message": "打开"
   },
   "optionsOpenManager": {
-    "message": "管理器"
+    "message": "管理样式"
   },
   "optionsPopupWidth": {
     "message": "Popup 弹框总宽度（px）"