diff --git a/toolkit/locales/en-US/chrome/mozapps/extensions/extensions.dtd b/toolkit/locales/en-US/chrome/mozapps/extensions/extensions.dtd
index d3286aad9181..d8d6b25caed9 100644
--- a/toolkit/locales/en-US/chrome/mozapps/extensions/extensions.dtd
+++ b/toolkit/locales/en-US/chrome/mozapps/extensions/extensions.dtd
@@ -10,7 +10,7 @@
 <!-- LOCALIZATION NOTE: These should match the header-* entries in extensions.properties -->
 <!ENTITY view.search.label                    "Search">
 <!ENTITY view.discover.label                  "Get Add-ons">
-<!ENTITY view.languages.label                 "Languages">
+<!ENTITY view.locales.label                   "Languages">
 <!ENTITY view.searchengines.label             "Search Engines">
 <!ENTITY view.features.label                  "Extensions">
 <!ENTITY view.appearance.label                "Themes">
diff --git a/toolkit/locales/en-US/chrome/mozapps/extensions/extensions.properties b/toolkit/locales/en-US/chrome/mozapps/extensions/extensions.properties
index eb47e991087f..3604406c94d1 100644
--- a/toolkit/locales/en-US/chrome/mozapps/extensions/extensions.properties
+++ b/toolkit/locales/en-US/chrome/mozapps/extensions/extensions.properties
@@ -9,7 +9,7 @@ aboutAddon=About %S
 #LOCALIZATION NOTE These should match the view.*.label entities in extensions.dtd
 header-search=Search Results
 header-discover=Get Add-ons
-header-language=Languages
+header-locale=Languages
 header-searchengine=Search Engines
 header-extension=Extensions
 header-theme=Themes
diff --git a/toolkit/mozapps/extensions/content/extensions.js b/toolkit/mozapps/extensions/content/extensions.js
index 03c581bdb524..5b422aaa52c2 100644
--- a/toolkit/mozapps/extensions/content/extensions.js
+++ b/toolkit/mozapps/extensions/content/extensions.js
@@ -614,7 +614,7 @@ var gCategories = {
       }
     }, false);
 
-    var maybeHidden = ["addons://list/language", "addons://list/searchengine"];
+    var maybeHidden = ["addons://list/locale", "addons://list/searchengine"];
     maybeHidden.forEach(function(aId) {
       var type = gViewController.parseViewId(aId).param;
       AddonManager.getAddonsByTypes([type], function(aAddonsList) {
diff --git a/toolkit/mozapps/extensions/content/extensions.xul b/toolkit/mozapps/extensions/content/extensions.xul
index 1cbc76f2ef29..a73c210643bf 100644
--- a/toolkit/mozapps/extensions/content/extensions.xul
+++ b/toolkit/mozapps/extensions/content/extensions.xul
@@ -108,7 +108,7 @@
                       name="&view.discover.label;"/>
         <richlistitem id="category-languages" value="addons://list/locale"
                       class="category"
-                      name="&view.languages.label;" hidden="true"/>
+                      name="&view.locales.label;" hidden="true"/>
         <richlistitem id="category-searchengines"
                       value="addons://list/searchengine"
                       class="category"