diff --git a/addon/chrome/locale/en-US/overlay.dtd b/addon/chrome/locale/en-US/overlay.dtd
index c584fcf..52f9a66 100644
--- a/addon/chrome/locale/en-US/overlay.dtd
+++ b/addon/chrome/locale/en-US/overlay.dtd
@@ -1,4 +1,4 @@
-<!ENTITY zotero.__addonRef__.workspace.title "Knowledge Workspace">
+<!ENTITY zotero.__addonRef__.workspace.title "Workspace">
 
 <!ENTITY zotero.__addonRef__.workspace.menu.new "Create New Main Note">
 <!ENTITY zotero.__addonRef__.workspace.menu.open "Open Main Note...">
diff --git a/addon/chrome/locale/zh-CN/overlay.dtd b/addon/chrome/locale/zh-CN/overlay.dtd
index 0b4d5d1..8eaa664 100644
--- a/addon/chrome/locale/zh-CN/overlay.dtd
+++ b/addon/chrome/locale/zh-CN/overlay.dtd
@@ -1,4 +1,4 @@
-<!ENTITY zotero.__addonRef__.workspace.title "Knowledge工作区">
+<!ENTITY zotero.__addonRef__.workspace.title "工作区">
 
 <!ENTITY zotero.__addonRef__.workspace.menu.new "创建新主笔记">
 <!ENTITY zotero.__addonRef__.workspace.menu.open "打开主笔记...">