Various minor documentation cleanups.

core/lib/Drupal/Core/Routing/UrlGenerator.php

@@ -2,7 +2,7 @@
 
 /**
  * @file
- * Contains of Drupal\Core\Routing\UrlGenerator.
+ * Contains Drupal\Core\Routing\UrlGenerator.
  */
 
 namespace Drupal\Core\Routing;

core/lib/Drupal/Core/Routing/UrlMatcher.php

 <?php
 
+/**
+ * @file
+ * Contains Drupal\Core\Routing\UrlMatcher.
+ */
+
 namespace Drupal\Core\Routing;
 
 use Symfony\Component\HttpFoundation\Request;
@@ -12,6 +17,12 @@
  */
 class UrlMatcher extends BaseUrlMatcher {
 
+  /**
+   * Constructs a new UrlMatcher.
+   *
+   * The parent class has a constructor we need to skip, so just override it
+   * with a no-op.
+   */
   public function __construct() {}
 
   public function finalMatch(RouteCollection $collection, Request $request) {

core/modules/system/lib/Drupal/system/Tests/Routing/MockAliasManager.php

@@ -2,7 +2,7 @@
 
 /**
  * @file
- * Contains of Drupal\system\Tests\Routing\MockAliasManager.
+ * Contains Drupal\system\Tests\Routing\MockAliasManager.
  */
 
 namespace Drupal\system\Tests\Routing;

core/modules/system/lib/Drupal/system/Tests/Routing/MockRouteProvider.php

@@ -2,7 +2,7 @@
 
 /**
  * @file
- * Contains of Drupal\system\Tests\Routing\MockRouteProvider.
+ * Contains Drupal\system\Tests\Routing\MockRouteProvider.
  */
 
 namespace Drupal\system\Tests\Routing;
@@ -14,7 +14,6 @@
 
 /**
  * Easily configurable mock route provider.
- *
  */
 class MockRouteProvider implements RouteProviderInterface {
 

core/modules/system/lib/Drupal/system/Tests/Routing/RouteProviderTest.php

@@ -2,7 +2,7 @@
 
 /**
  * @file
- * Definition of Drupal\system\Tests\Routing\RouteProviderTest.
+ * Contains Drupal\system\Tests\Routing\RouteProviderTest.
  */
 
 namespace Drupal\system\Tests\Routing;

core/modules/system/lib/Drupal/system/Tests/Routing/UrlGeneratorTest.php

@@ -2,7 +2,7 @@
 
 /**
  * @file
- * Contains of Drupal\system\Tests\Routing\UrlGeneratorTest.
+ * Contains Drupal\system\Tests\Routing\UrlGeneratorTest.
  */
 
 namespace Drupal\system\Tests\Routing;