diff --git a/src/locales/en.json b/src/locales/en.json
index b5713660b..828844b0c 100644
--- a/src/locales/en.json
+++ b/src/locales/en.json
@@ -121,6 +121,10 @@
   "timeslider.version": "Version {{version}}",
   "timeslider.saved": "Saved {{month}} {{day}}, {{year}}",
 
+  "timeslider.playpause": "Playback / Pause Pad Contents",
+  "timeslider.backrevision":"Go back a revision in this Pad",
+  "timeslider.forwardrevision":"Go forward a revision in this Pad",
+
   "timeslider.dateformat": "{{month}}/{{day}}/{{year}} {{hours}}:{{minutes}}:{{seconds}}",
   "timeslider.month.january": "January",
   "timeslider.month.february": "February",
diff --git a/src/templates/timeslider.html b/src/templates/timeslider.html
index 20688ea8a..45d7832d1 100644
--- a/src/templates/timeslider.html
+++ b/src/templates/timeslider.html
@@ -61,11 +61,11 @@
             <div id="ui-slider-bar"></div>
           </div>
           <div id="playpause_button">
-            <button id="playpause_button_icon" class=""></button>
+            <button id="playpause_button_icon" class="" data-l10n-id="timeslider.playPause"></button>
           </div>
           <div id="steppers">
-            <button class="stepper" id="leftstep"></button>
-            <button class="stepper" id="rightstep"></button>
+            <button class="stepper" id="leftstep" data-l10n-id="timeslider.backRevision"></button>
+            <button class="stepper" id="rightstep" data-l10n-id="timeslider.forwardRevision"></button>
           </div>
         </div>