diff --git a/core/modules/config/config.module b/core/modules/config/config.module
index b3d9bbc..4242fc5 100644
--- a/core/modules/config/config.module
+++ b/core/modules/config/config.module
@@ -1 +1,6 @@
 <?php
+
+/**
+ * @file
+ * Configuration module.
+ */
diff --git a/core/modules/config/config.test b/core/modules/config/config.test
index a164108..d77b3eb 100644
--- a/core/modules/config/config.test
+++ b/core/modules/config/config.test
@@ -117,14 +117,14 @@ class ConfigFileContentTestCase extends DrupalWebTestCase {
       'foo' => 'bar',
       'biff' => array(
         'bang' => 'pow',
-      )
+      ),
     );
     $casting_array_key = 'casting_array';
     $casting_array_false_value_key = 'casting_array.cast.false';
     $casting_array_value = array(
       'cast' => array(
         'false' => FALSE,
-      )
+      ),
     );
     $nested_array_key = 'nested.array';
     $true_key = 'true';
@@ -134,7 +134,6 @@ class ConfigFileContentTestCase extends DrupalWebTestCase {
     $config = config($name);
 
     // Verify an configuration object is returned.
-//    $this->assertEqual($config->name, $name);
     $this->assertTrue($config, t('Config object created.'));
 
     // Verify the configuration object is empty.
@@ -145,23 +144,23 @@ class ConfigFileContentTestCase extends DrupalWebTestCase {
     $this->assertIdentical($db_config, FALSE, t('Active store does not have a record for %name', array('%name' => $name)));
     $this->assertFalse(file_exists($config_dir . '/' . $name . '.' . $this->fileExtension), 'Configuration file does not exist.');
 
-    // Add a top level value
+    // Add a top level value.
     $config = config($name);
     $config->set($key, $value);
 
-    // Add a nested value
+    // Add a nested value.
     $config->set($nested_key, $nested_value);
 
-    // Add an array
+    // Add an array.
     $config->set($array_key, $array_value);
 
-    // Add a nested array
+    // Add a nested array.
     $config->set($nested_array_key, $array_value);
 
-    // Add a boolean false value. Should get cast to 0
+    // Add a boolean false value; should get cast to 0.
     $config->set($false_key, FALSE);
 
-    // Add a boolean true value. Should get cast to 1
+    // Add a boolean true value; should get cast to 1.
     $config->set($true_key, TRUE);
 
     // Add an array with a nested boolean false that should get cast to 0.
@@ -175,56 +174,55 @@ class ConfigFileContentTestCase extends DrupalWebTestCase {
     // Verify the file exists.
     $this->assertTrue(file_exists($config_dir . '/' . $name . '.' . $this->fileExtension), t('After saving configuration, config file exists.'));
 
-    // Read top level value
+    // Read top level value.
     $config = config($name);
-//    $this->assertEqual($config->name, $name);
     $this->assertTrue($config, 'Config object created.');
     $this->assertEqual($config->get($key), 'bar', t('Top level configuration value found.'));
 
-    // Read nested value
+    // Read nested value.
     $this->assertEqual($config->get($nested_key), $nested_value, t('Nested configuration value found.'));
 
-    // Read array
+    // Read array.
     $this->assertEqual($config->get($array_key), $array_value, t('Top level array configuration value found.'));
 
-    // Read nested array
+    // Read nested array.
     $this->assertEqual($config->get($nested_array_key), $array_value, t('Nested array configuration value found.'));
 
-    // Read a top level value that doesn't exist
+    // Read a top level value that doesn't exist.
     $this->assertNull($config->get('i_dont_exist'), t('Non-existent top level value returned NULL.'));
 
-    // Read a nested value that doesn't exist
+    // Read a nested value that doesn't exist.
     $this->assertNull($config->get('i.dont.exist'), t('Non-existent nested value returned NULL.'));
 
-    // Read false value
-    $this->assertEqual($config->get($false_key), '0', t('Boolean FALSE value returned the string \'0\'.'));
+    // Read false value.
+    $this->assertEqual($config->get($false_key), '0', t("Boolean FALSE value returned the string '0'."));
 
-    // Read true value
-    $this->assertEqual($config->get($true_key), '1', t('Boolean TRUE value returned the string \'1\'.'));
+    // Read true value.
+    $this->assertEqual($config->get($true_key), '1', t("Boolean TRUE value returned the string '1'."));
 
-    // Read false that had been nested in an array value
-    $this->assertEqual($config->get($casting_array_false_value_key), '0', t('Nested boolean FALSE value returned the string \'0\'.'));
+    // Read false that had been nested in an array value.
+    $this->assertEqual($config->get($casting_array_false_value_key), '0', t("Nested boolean FALSE value returned the string '0'."));
 
-    // Unset a top level value
+    // Unset a top level value.
     $config->clear($key);
 
-    // Unset a nested value
+    // Unset a nested value.
     $config->clear($nested_key);
     $config->save();
     $config = config($name);
 
-    // Read unset top level value
+    // Read unset top level value.
     $this->assertNull($config->get($key), t('Top level value unset.'));
 
-    // Read unset nested value
+    // Read unset nested value.
     $this->assertNull($config->get($nested_key), t('Nested value unset.'));
 
-    // Create two new configuration files to test listing
+    // Create two new configuration files to test listing.
     $config = config('foo.baz');
     $config->set($key, $value);
     $config->save();
 
-    // Test chained set()->save()
+    // Test chained set()->save().
     $chained_name = 'biff.bang';
     $config = config($chained_name);
     $config->set($key, $value)->save();
@@ -306,8 +304,7 @@ class ConfUpdate7to8TestCase extends DrupalWebTestCase {
   public static function getInfo() {
     return array(
       'name' => 'Configuration update from Drupal 7 to 8',
-      'description' => 'Tests the ability to update Drupal 7 variables to the
-        configuration management system.',
+      'description' => 'Tests the ability to update Drupal 7 variables to the configuration management system.',
       'group' => 'Configuration',
     );
   }