diff --git a/browser/devtools/main.js b/browser/devtools/main.js
index d82fa4394b1..76b55b9a5e3 100644
--- a/browser/devtools/main.js
+++ b/browser/devtools/main.js
@@ -240,8 +240,8 @@ Tools.webAudioEditor = {
   icon: "chrome://browser/skin/devtools/tool-webaudio.svg",
   invertIconForLightTheme: true,
   url: "chrome://browser/content/devtools/webaudioeditor.xul",
-  label: l10n("ToolboxWebAudioEditor.label", webAudioEditorStrings),
-  tooltip: l10n("ToolboxWebAudioEditor.tooltip", webAudioEditorStrings),
+  label: l10n("ToolboxWebAudioEditor1.label", webAudioEditorStrings),
+  tooltip: l10n("ToolboxWebAudioEditor1.tooltip", webAudioEditorStrings),
   isTargetSupported: function(target) {
     return !target.isAddon;
   },
diff --git a/browser/locales/en-US/chrome/browser/devtools/webaudioeditor.properties b/browser/locales/en-US/chrome/browser/devtools/webaudioeditor.properties
index 8c712927d3d..60188943ae1 100644
--- a/browser/locales/en-US/chrome/browser/devtools/webaudioeditor.properties
+++ b/browser/locales/en-US/chrome/browser/devtools/webaudioeditor.properties
@@ -2,23 +2,24 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-# LOCALIZATION NOTE These strings are used inside the Debugger
-# which is available from the Web Developer sub-menu -> 'Debugger'.
+# LOCALIZATION NOTE These strings are used inside the Web Audio tool
+# which is available in the developer tools' toolbox, once
+# enabled in the developer tools' preference "Web Audio".
 # The correct localization of this file might be to keep it in
 # English, or another language commonly spoken among web developers.
 # You want to make that choice consistent across the developer tools.
 # A good criteria is the language in which you'd find the best
 # documentation on web development on the web.
 
-# LOCALIZATION NOTE (ToolboxWebAudioEditor.label):
+# LOCALIZATION NOTE (ToolboxWebAudioEditor1.label):
 # This string is displayed in the title of the tab when the Web Audio Editor
 # is displayed inside the developer tools window and in the Developer Tools Menu.
-ToolboxWebAudioEditor.label=Web Audio
+ToolboxWebAudioEditor1.label=Web Audio
 
-# LOCALIZATION NOTE (ToolboxWebAudioEditor.tooltip):
+# LOCALIZATION NOTE (ToolboxWebAudioEditor1.tooltip):
 # This string is displayed in the tooltip of the tab when the Web Audio Editor is
 # displayed inside the developer tools window.
-ToolboxWebAudioEditor.tooltip=Web Audio context visualizer and audio node inspector
+ToolboxWebAudioEditor1.tooltip=Web Audio context visualizer and audio node inspector
 
 # LOCALIZATION NOTE (collapseInspector): This is the tooltip for the button
 # that collapses the inspector in the web audio tool UI.