diff --git a/inst/rmd/h/default.html b/inst/rmd/h/default.html
index 4361ccde34..49d343e0e3 100644
--- a/inst/rmd/h/default.html
+++ b/inst/rmd/h/default.html
@@ -247,6 +247,18 @@
   window.initializeCodeFolding("$code_folding$" === "show");
 $endif$
 });
+// Show/Hide button names internationalization.
+// Variables used in codefolding.js.
+$if(code_folding_show_btn)$
+var ShowCode = $code_folding_show_btn$;
+$else$
+var ShowCode = 'Show';
+$endif$
+$if(code_folding_hide_btn)$
+var HideCode = $code_folding_hide_btn$;
+$else$
+var HideCode = 'Hide';
+$endif$
 </script>
 $endif$
 
@@ -386,11 +398,18 @@
 
 $if(code_menu)$
 <div class="btn-group pull-right">
-<button type="button" class="btn btn-default btn-xs dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"><span>Code</span> <span class="caret"></span></button>
+<button type="button" class="btn btn-default btn-xs dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
+	<span>$if(code_folding_button)$$code_folding_button$$else$Code$endif$</span>
+	<span class="caret"></span>
+</button>
 <ul class="dropdown-menu" style="min-width: 50px;">
 $if(code_folding)$
-<li><a id="rmd-show-all-code" href="#">Show All Code</a></li>
-<li><a id="rmd-hide-all-code" href="#">Hide All Code</a></li>
+<li><a id="rmd-show-all-code" href="#">
+	$if(code_folding_show)$$code_folding_show$$else$Show All Code$endif$
+</a></li>
+<li><a id="rmd-hide-all-code" href="#">
+	$if(code_folding_hide)$$code_folding_hide$$else$Hide All Code$endif$
+</a></li>
 $if(source_embed)$
 <li role="separator" class="divider"></li>
 $endif$
@@ -400,11 +419,8 @@
 $endif$
 </ul>
 </div>
-
 $endif$
-
 $endif$
-
 $if(title)$
 <h1 class="title toc-ignore">$title$</h1>
 $if(subtitle)$
diff --git a/inst/rmd/h/navigation-1.1/codefolding.js b/inst/rmd/h/navigation-1.1/codefolding.js
index 4938425052..1112a361c1 100644
--- a/inst/rmd/h/navigation-1.1/codefolding.js
+++ b/inst/rmd/h/navigation-1.1/codefolding.js
@@ -1,3 +1,6 @@
+// Variables defined in default.html.
+// var ShowCode = 'Show';
+// var HideCode = 'Hide';
 
 window.initializeCodeFolding = function(show) {
 
@@ -30,7 +33,7 @@ window.initializeCodeFolding = function(show) {
     $(this).detach().appendTo(div);
 
     // add a show code button right above
-    var showCodeText = $('<span>' + (show ? 'Hide' : 'Code') + '</span>');
+    var showCodeText = $('<span>' + (show ? HideCode : ShowCode) + '</span>');
     var showCodeButton = $('<button type="button" class="btn btn-default btn-xs code-folding-btn pull-right"></button>');
     showCodeButton.append(showCodeText);
     showCodeButton
@@ -49,10 +52,10 @@ window.initializeCodeFolding = function(show) {
 
     // update state of button on show/hide
     div.on('hidden.bs.collapse', function () {
-      showCodeText.text('Code');
+      showCodeText.text(ShowCode);
     });
     div.on('show.bs.collapse', function () {
-      showCodeText.text('Hide');
+      showCodeText.text(HideCode);
     });
   });