Index: upload_element.module
===================================================================
--- upload_element.module	(revision 245)
+++ upload_element.module	(working copy)
@@ -149,7 +149,7 @@
   );
   $element[$element['#name'] .'_upload_element_ahah'] = array(
     '#type' => 'submit',
-    '#value' => t('Update'),
+    '#value' => isset($element['#button_text']['update']) ? $element['#button_text']['update'] : t('Update'),
     '#name' => $element['#name'] .'-upload-element',
     '#prefix' => '<div class="form-item">',
     '#suffix' => '</div>',