diff --git a/languages/zh-Hans/Buttons.multids b/languages/zh-Hans/Buttons.multids
index 1bc13dd7d..cdcdd1b93 100644
--- a/languages/zh-Hans/Buttons.multids
+++ b/languages/zh-Hans/Buttons.multids
@@ -182,6 +182,7 @@ Subscript/Caption: 下标
 Subscript/Hint: 套用下标格式于所选文本
 Superscript/Caption: 上标
 Superscript/Hint: 套用上标格式于所选文本
+ToggleSidebar/Hint: 切换显示或隐藏侧边栏
 Transcludify/Caption: 嵌入
 Transcludify/Hint: 套用嵌入于所选文字
 Underline/Caption: 下划线
diff --git a/languages/zh-Hant/Buttons.multids b/languages/zh-Hant/Buttons.multids
index 27a669db5..73bb1c83d 100644
--- a/languages/zh-Hant/Buttons.multids
+++ b/languages/zh-Hant/Buttons.multids
@@ -182,6 +182,7 @@ Subscript/Caption: 下標
 Subscript/Hint: 套用下標格式於所選文字
 Superscript/Caption: 上標
 Superscript/Hint: 套用上標格式於所選文字
+ToggleSidebar/Hint: 切換顯示或隱藏側邊欄
 Transcludify/Caption: 嵌入
 Transcludify/Hint: 套用嵌入於所選文字
 Underline/Caption: 底線