=== modified file 'sites/all/modules/drupalorg/drupalorg/drupalorg.module'
--- sites/all/modules/drupalorg/drupalorg/drupalorg.module	2014-01-15 22:38:06 +0000
+++ sites/all/modules/drupalorg/drupalorg/drupalorg.module	2014-01-23 20:44:46 +0000
@@ -1068,7 +1068,8 @@
  */
 function drupalorg_form_alter(&$form, $form_state, $form_id) {
   // Force a revision log entry when editing existing book nodes.
-  if ($form_id == 'book_node_form' && isset($form['revision_information']['log']) && arg(1) != 'add') {
+  if ($form_id == 'book_node_form' && isset($form['revision_information']['log']) && arg(1) == 'edit') {
+    watchdog('handbook', t('Book Node (%action): %information.', array('%action' => arg(1), '%information' => $form['revision_information']['log'])));
     $form['revision_information']['log']['#required'] = TRUE;
     $form['revision_information']['#collapsed'] = FALSE;
     $form['revision_information']['#weight'] = 50;