diff --git a/homebox-block.tpl.php b/homebox-block.tpl.php
index 11876be..8b99e19 100644
--- a/homebox-block.tpl.php
+++ b/homebox-block.tpl.php
@@ -10,12 +10,12 @@
   <div class="homebox-portlet-inner">
     <h3 class="portlet-header">
       <?php if ($block->closable): ?>
-        <a class="portlet-icon portlet-close"></a>
+        <a class="portlet-icon portlet-close"><span class="element-invisible"<?php print t('Close'); ?></span></a>
       <?php endif; ?>
-      <a class="portlet-icon portlet-maximize"></a>
-      <a class="portlet-icon portlet-minus"></a>
+      <a class="portlet-icon portlet-maximize"><span class="element-invisible"><?php print t('Maximize'); ?></span></a>
+      <a class="portlet-icon portlet-minus"><span class="element-invisible"><?php print t('Minus'); ?></span></a>
       <?php if ($page->settings['color'] || isset($block->edit_form)): ?>
-        <a class="portlet-icon portlet-settings"></a>
+        <a class="portlet-icon portlet-settings"><span class="element-invisible"><?php print t('Settings'); ?></span></a>
       <?php endif; ?>
       <span class="portlet-title"><?php print $block->subject ?></span>
     </h3>