diff --git a/core/modules/filter/filter.module b/core/modules/filter/filter.module
index 2748f82..d71f949 100644
--- a/core/modules/filter/filter.module
+++ b/core/modules/filter/filter.module
@@ -1712,8 +1712,8 @@ function _filter_url_parse_partial_links($match) {
  *   whereas $match[1] is expected to contain the content to be filtered.
  * @param $escape
  *   (optional) A Boolean indicating whether to escape (TRUE) or unescape
- *   comments (FALSE). Defaults to NULL. If TRUE, statically cached $comments
- *   are reset.
+ *   comments (FALSE). Defaults to NULL, indicating neither. If TRUE, statically
+ *   cached $comments are reset.
  */
 function _filter_url_escape_comments($match, $escape = NULL) {
   static $mode, $comments = array();
diff --git a/core/modules/filter/lib/Drupal/filter/Tests/FilterAdminTest.php b/core/modules/filter/lib/Drupal/filter/Tests/FilterAdminTest.php
index 1ae9857..c2b76d2 100644
--- a/core/modules/filter/lib/Drupal/filter/Tests/FilterAdminTest.php
+++ b/core/modules/filter/lib/Drupal/filter/Tests/FilterAdminTest.php
@@ -21,18 +21,6 @@ class FilterAdminTest extends WebTestBase {
    */
   protected $profile = 'standard';
 
-  /**
-   * A user with administrative permissions.
-   *
-   * @var object
-   */
-
-  /**
-   * A user with content create and edit own page permissions.
-   *
-   * @var object
-   */
-
   public static function getInfo() {
     return array(
       'name' => 'Filter administration functionality',
diff --git a/core/modules/filter/lib/Drupal/filter/Tests/FilterCrudTest.php b/core/modules/filter/lib/Drupal/filter/Tests/FilterCrudTest.php
index bcde3fc..7b4c6f5 100644
--- a/core/modules/filter/lib/Drupal/filter/Tests/FilterCrudTest.php
+++ b/core/modules/filter/lib/Drupal/filter/Tests/FilterCrudTest.php
@@ -11,7 +11,7 @@
 use stdClass;
 
 /**
- * Tests for text format and Filter CRUD operations.
+ * Tests for text format and filter CRUD operations.
  */
 class FilterCrudTest extends WebTestBase {
 
diff --git a/core/modules/filter/lib/Drupal/filter/Tests/FilterDefaultFormatTest.php b/core/modules/filter/lib/Drupal/filter/Tests/FilterDefaultFormatTest.php
index 6a5c1af..103d777 100644
--- a/core/modules/filter/lib/Drupal/filter/Tests/FilterDefaultFormatTest.php
+++ b/core/modules/filter/lib/Drupal/filter/Tests/FilterDefaultFormatTest.php
@@ -13,7 +13,6 @@
  * Tests the default filter functionality in the Filter module.
  */
 class FilterDefaultFormatTest extends WebTestBase {
-
   public static function getInfo() {
     return array(
       'name' => 'Default text format functionality',
diff --git a/core/modules/filter/lib/Drupal/filter/Tests/FilterFormatAccessTest.php b/core/modules/filter/lib/Drupal/filter/Tests/FilterFormatAccessTest.php
index 220ec5c..a71a9e9 100644
--- a/core/modules/filter/lib/Drupal/filter/Tests/FilterFormatAccessTest.php
+++ b/core/modules/filter/lib/Drupal/filter/Tests/FilterFormatAccessTest.php
@@ -13,7 +13,6 @@
  * Tests the filter format access functionality in the Filter module.
  */
 class FilterFormatAccessTest extends WebTestBase {
-
   /**
    * A user with administrative permissions.
    *
diff --git a/core/modules/filter/lib/Drupal/filter/Tests/FilterHooksTest.php b/core/modules/filter/lib/Drupal/filter/Tests/FilterHooksTest.php
index d4fbd4d..496a5f3 100644
--- a/core/modules/filter/lib/Drupal/filter/Tests/FilterHooksTest.php
+++ b/core/modules/filter/lib/Drupal/filter/Tests/FilterHooksTest.php
@@ -10,7 +10,7 @@
 use Drupal\simpletest\WebTestBase;
 
 /**
- * Tests for Filter hook invocation.
+ * Tests for Filter's hook invocations.
  */
 class FilterHooksTest extends WebTestBase {
 
diff --git a/core/modules/filter/lib/Drupal/filter/Tests/FilterNoFormatTest.php b/core/modules/filter/lib/Drupal/filter/Tests/FilterNoFormatTest.php
index 395e411..59629ba 100644
--- a/core/modules/filter/lib/Drupal/filter/Tests/FilterNoFormatTest.php
+++ b/core/modules/filter/lib/Drupal/filter/Tests/FilterNoFormatTest.php
@@ -13,7 +13,6 @@
  * Tests the behavior of check_markup() when it is called without text format.
  */
 class FilterNoFormatTest extends WebTestBase {
-
   public static function getInfo() {
     return array(
       'name' => 'Unassigned text format functionality',
diff --git a/core/modules/filter/lib/Drupal/filter/Tests/FilterSettingsTest.php b/core/modules/filter/lib/Drupal/filter/Tests/FilterSettingsTest.php
index 30afbd9..6d2ab99 100644
--- a/core/modules/filter/lib/Drupal/filter/Tests/FilterSettingsTest.php
+++ b/core/modules/filter/lib/Drupal/filter/Tests/FilterSettingsTest.php
@@ -10,10 +10,9 @@
 use Drupal\simpletest\WebTestBase;
 
 /**
- * Tests Filter settings.
+ * Tests filter settings.
  */
 class FilterSettingsTest extends WebTestBase {
-
   /**
    * The installation profile to use with this test class.
    *