diff -u b/modules/dashboard/dashboard.install b/modules/dashboard/dashboard.install
--- b/modules/dashboard/dashboard.install
+++ b/modules/dashboard/dashboard.install
@@ -86,7 +86,7 @@
  * Remove blocks from dashboard that do not exist.
  */
 function dashboard_update_7000() {
-  // If we are enabled, get list of blocks from the database
+  // If we are enabled, get list of blocks from the database.
   if (module_exists('dashboard')) {
     $result = db_select('block', 'b')
       ->fields('b', array('module', 'delta'))
@@ -115,9 +115,9 @@
   }
 
   $delete_blocks = array();
-  // Go through the blocks on the dashboard and make a list of those to delete
+  // Go through the blocks on the dashboard and make a list of those to delete.
   foreach ($stashed_blocks as $block) {
-    // If the block does not exist in all blocks, it needs to be removed
+    // If the block does not exist in all blocks, it needs to be removed.
     if (!isset($all_blocks[$block['module']][$block['delta']])) {
       $delete_blocks[] = $block;
     }