diff -u b/core/modules/dblog/dblog.admin.inc b/core/modules/dblog/dblog.admin.inc
--- b/core/modules/dblog/dblog.admin.inc
+++ b/core/modules/dblog/dblog.admin.inc
@@ -83,7 +83,8 @@
 }
 
 /**
- * Page callback: Displays most frequent unique messages of a given event type.
+ * Page callback: Displays the most frequent unique messages of a given event
+ * type.
  *
  * Path: admin/reports/search
  *
@@ -198,7 +199,7 @@
 }
 
 /**
- * Builds query for dblog administration filters based on session.
+ * Builds a query for dblog administration filters based on session.
  *
  * @return array
  *   An associative array with keys 'where' and 'args'.
@@ -231,10 +232,10 @@
 }
 
 /**
- * Creates list dblog administration filters that can be applied.
+ * Creates a list of dblog administration filters that can be applied.
  *
  * @return array
- *   Two dimension array with 'type' and 'severity' top-level keys, each of
+ *   Two-dimensional array with 'type' and 'severity' top-level keys, each of
  *   which is an array with the following keys:
  *   - title: Title of the filter.
  *   - where: The filter condition.
@@ -247,6 +248,7 @@
   foreach (_dblog_get_message_types() as $type) {
     $types[$type] = t($type);
   }
+
   if (!empty($types)) {
     $filters['type'] = array(
       'title' => t('Type'),
@@ -260,11 +262,12 @@
     'where' => 'w.severity = ?',
     'options' => watchdog_severity_levels(),
   );
+
   return $filters;
 }
 
 /**
- * Returns a HTML-formatted string for dblog event.
+ * Returns an HTML string for a dblog event.
  *
  * @param array $variables
  *   An associative array containing:
@@ -272,7 +275,7 @@
  *   - link: (optional) Format message as link, event->wid is required.
  *
  * @return string
- *   A HTML-formatted string.
+ *   An HTML string.
  *
  * @ingroup themeable
  */
@@ -403,7 +406,7 @@
 }
 
 /**
- * Submission callback for dblog_clear_log_form().
+ * Submission handler for dblog_clear_log_form().
  *
  * @see dblog_clear_log_form()
  */
diff -u b/core/modules/dblog/dblog.module b/core/modules/dblog/dblog.module
--- b/core/modules/dblog/dblog.module
+++ b/core/modules/dblog/dblog.module
@@ -6,8 +6,8 @@
  * @file
  * System monitoring and logging for administrators.
  *
- * The dblog module monitors your site and keeps a list of recorded events
- * containing usage and performance data, errors, warnings, and similar
+ * The Database logging module monitors your site and keeps a list of recorded
+ * events containing usage and performance data, errors, warnings, and similar
  * operational information.
  *
  * @see watchdog()
diff -u b/core/modules/dblog/dblog.test b/core/modules/dblog/dblog.test
--- b/core/modules/dblog/dblog.test
+++ b/core/modules/dblog/dblog.test
@@ -5,8 +5,9 @@
  * Tests for dblog.module.
  */
 
-// @todo: Is a docblock required for each test class?
-
+/**
+ * Tests the Dblog module functionality.
+ */
 class DBLogTestCase extends DrupalWebTestCase {
   protected $profile = 'standard';