1 files changed, 1 insertions, 1 deletions
diff --git a/run.inc b/run.inc
index 5f0680f..1d106fb 100755
--- a/run.inc
+++ b/run.inc
@@ -260,7 +260,7 @@ function ajax_chapter_list_callback($form, $form_state)
         } else {
             $commands[] = ajax_command_html("#ajax-download-freeeda-book-replace", '');
         }
-//        $commands[] = ajax_command_html("#ajax-download-book-pdf-replace", l('Download PDF', 'textbook-companion/generate-book/' . $book_list_default_value) . ' ' . t('(Download the PDF file containing R codes for all the solved examples)'));
+        $commands[] = ajax_command_html("#ajax-download-book-pdf-replace", l('Download PDF', 'textbook-companion/generate-book/' . $book_list_default_value) . ' ' . t('(Download the PDF file containing R codes for all the solved examples)'));
         $commands[] = ajax_command_replace("#ajax-chapter-list-replace", drupal_render($form['chapter']));
         $commands[] = ajax_command_html("#ajax-example-list-replace", '');
         $commands[] = ajax_command_html("#ajax-download-example-code-replace", '');