diff --git a/mozilla/extensions/inspector/resources/content/viewers/dom/pseudoClassDialog.xul b/mozilla/extensions/inspector/resources/content/viewers/dom/pseudoClassDialog.xul
index ede0de2162f..3f880ccf276 100644
--- a/mozilla/extensions/inspector/resources/content/viewers/dom/pseudoClassDialog.xul
+++ b/mozilla/extensions/inspector/resources/content/viewers/dom/pseudoClassDialog.xul
@@ -24,10 +24,15 @@
   <groupbox style="width: 25em;">
     <caption label="&pseudoClasses.title;"/>
     <vbox>
-      <!-- These don't need to be localized, since they are CSS APIs -->
-      <checkbox id="cbxStateHover" label=":hover"/>
-      <checkbox id="cbxStateActive" label=":active"/>
-      <checkbox id="cbxStateFocus" label=":focus"/>
+      <!--
+        The labels don't need to be localized, since they are CSS APIs,
+        but the access keys are localizable, because an English
+        keyboard may not always be available
+        see: https://bugzilla.mozilla.org/show_bug.cgi?id=398704#c1
+      -->
+      <checkbox id="cbxStateHover" label=":hover" accesskey="&cbxStateHover.accesskey;"/>
+      <checkbox id="cbxStateActive" label=":active" accesskey="&cbxStateActive.accesskey;"/>
+      <checkbox id="cbxStateFocus" label=":focus" accesskey="&cbxStateFocus.accesskey;"/>
     </vbox>
   </groupbox>
 
diff --git a/mozilla/extensions/inspector/resources/locale/en-US/viewers/dom.dtd b/mozilla/extensions/inspector/resources/locale/en-US/viewers/dom.dtd
index af4a4de6eaf..8807d4f5c25 100644
--- a/mozilla/extensions/inspector/resources/locale/en-US/viewers/dom.dtd
+++ b/mozilla/extensions/inspector/resources/locale/en-US/viewers/dom.dtd
@@ -150,3 +150,9 @@
   <!ENTITY namespaceTitle.XMLEvents.label "XML Events">
   <!ENTITY namespaceTitle.WAIRoles.label "WAI Roles">
   <!ENTITY namespaceTitle.WAIProperties.label "WAI Properties">
+
+  <!-- LOCALIZATION NOTE: Localizers can choose not to translate the following access keys. For a discussion about the pros and cons of such a decision, see https://bugzilla.mozilla.org/show_bug.cgi?id=398704, comments 1 and 2. -->
+  <!ENTITY cbxStateHover.accesskey "h">
+  <!ENTITY cbxStateActive.accesskey "a">
+  <!ENTITY cbxStateFocus.accesskey "f">
+