diff --git a/core/modules/link/src/Plugin/Field/FieldFormatter/LinkFormatter.php b/core/modules/link/src/Plugin/Field/FieldFormatter/LinkFormatter.php
index d33282d..5b3d939 100644
--- a/core/modules/link/src/Plugin/Field/FieldFormatter/LinkFormatter.php
+++ b/core/modules/link/src/Plugin/Field/FieldFormatter/LinkFormatter.php
@@ -149,9 +149,9 @@ public function viewElements(FieldItemListInterface $items) {
         );
 
         if (!empty($item->_attributes)) {
-          // Piggyback on the metadata attributes,
-          // which will be placed in the field template wrapper,
-          // and set the URL value in a content attribute.
+          // Piggyback on the metadata attributes, which will be placed in the
+          // field template wrapper, and set the URL value in a content
+          // attribute.
           $item->_attributes += array('content' => $item->url);
         }
       }
diff --git a/core/modules/rdf/src/Tests/Field/LinkFieldRdfaTest.php b/core/modules/rdf/src/Tests/Field/LinkFieldRdfaTest.php
index ac92b2b..8e283f2 100644
--- a/core/modules/rdf/src/Tests/Field/LinkFieldRdfaTest.php
+++ b/core/modules/rdf/src/Tests/Field/LinkFieldRdfaTest.php
@@ -23,6 +23,9 @@ class LinkFieldRdfaTest extends FieldRdfaTestBase {
    */
   public static $modules = array('link', 'text');
 
+  /**
+   * {@inheritdoc}
+   */
   public static function getInfo() {
     return array(
       'name'  => 'Field formatter: link',
@@ -31,6 +34,9 @@ public static function getInfo() {
     );
   }
 
+  /**
+   * {@inheritdoc}
+   */
   public function setUp() {
     parent::setUp();
 
@@ -44,6 +50,9 @@ public function setUp() {
 
   }
 
+  /**
+   * Tests all formatters with link to external page.
+   */
   public function testAllFormattersExternal() {
     // Set up test values.
     $this->testValue = 'http://test.me';
@@ -59,14 +68,17 @@ public function testAllFormattersExternal() {
     $this->runTestAllFormatters($expected_rdf, 'external');
   }
 
+  /**
+   * Tests all formatters with link to internal page.
+   */
   public function testAllFormattersInternal() {
     // Set up test values.
     $this->testValue = 'admin';
     $this->entity = entity_create('entity_test', array());
     $this->entity->{$this->fieldName}->url = $this->testValue;
 
-    // set up the expected result
-    // assertFormatterRdfa looks for a full path.
+    // Set up the expected result.
+    // AssertFormatterRdfa looks for a full path.
     $expected_rdf = array(
       'value' => $this->uri . '/' . $this->testValue,
       'type' => 'uri',
@@ -75,6 +87,9 @@ public function testAllFormattersInternal() {
     $this->runTestAllFormatters($expected_rdf, 'internal');
   }
 
+  /**
+   * Tests all formatters with link to frontpage.
+   */
   public function testAllFormattersFront() {
     // Set up test values.
     $this->testValue = '<front>';
@@ -91,7 +106,7 @@ public function testAllFormattersFront() {
   }
 
   /**
-   * Tests all link formatters.
+   * Helper function to test all link formatters.
    */
   public function runTestAllFormatters($expected_rdf, $type = NULL) {
 
@@ -177,7 +192,6 @@ public function runTestAllFormatters($expected_rdf, $type = NULL) {
       ),
     );
     $this->assertFormatterRdfa($formatter, 'http://schema.org/link', $expected_rdf);
-
   }
 
 }