diff --git a/core/lib/Drupal/Core/Form/EnforcedResponseException.php b/core/lib/Drupal/Core/Form/EnforcedResponseException.php
index 7364984..ca3b8b8 100644
--- a/core/lib/Drupal/Core/Form/EnforcedResponseException.php
+++ b/core/lib/Drupal/Core/Form/EnforcedResponseException.php
@@ -37,7 +37,7 @@ public function __construct(Response $response, $message = "", $code = 0, \Excep
   /**
    * Return the response to be enforced.
    *
-   * @returns \Symfony\Component\HttpFoundation\Response $response
+   * @return \Symfony\Component\HttpFoundation\Response
    *   The response to be enforced.
    */
   public function getResponse() {
diff --git a/core/lib/Drupal/Core/Render/Renderer.php b/core/lib/Drupal/Core/Render/Renderer.php
index 5038851..5d84fd0 100644
--- a/core/lib/Drupal/Core/Render/Renderer.php
+++ b/core/lib/Drupal/Core/Render/Renderer.php
@@ -628,7 +628,7 @@ protected function setCurrentRenderContext(RenderContext $context = NULL) {
    *   bubbleable metadata associated with the markup that replaced the
    *   placeholders.
    *
-   * @returns bool
+   * @return bool
    *   Whether placeholders were replaced.
    *
    * @see \Drupal\Core\Render\Renderer::renderPlaceholder()
diff --git a/core/lib/Drupal/Core/Session/SessionConfiguration.php b/core/lib/Drupal/Core/Session/SessionConfiguration.php
index 49dc63e..13cedbf 100644
--- a/core/lib/Drupal/Core/Session/SessionConfiguration.php
+++ b/core/lib/Drupal/Core/Session/SessionConfiguration.php
@@ -79,7 +79,7 @@ protected function getName(Request $request) {
    * @param \Symfony\Component\HttpFoundation\Request $request
    *   The request.
    *
-   * @returns string
+   * @return string
    *   The session name without the prefix (SESS/SSESS).
    */
   protected function getUnprefixedName(Request $request) {
@@ -115,7 +115,7 @@ protected function getUnprefixedName(Request $request) {
    * @param \Symfony\Component\HttpFoundation\Request $request
    *   The request.
    *
-   * @returns string
+   * @return string
    *   The session cookie domain.
    */
   protected function getCookieDomain(Request $request) {
diff --git a/core/modules/content_translation/src/ContentTranslationManagerInterface.php b/core/modules/content_translation/src/ContentTranslationManagerInterface.php
index 1852026..1b36b07 100644
--- a/core/modules/content_translation/src/ContentTranslationManagerInterface.php
+++ b/core/modules/content_translation/src/ContentTranslationManagerInterface.php
@@ -71,7 +71,7 @@ public function setEnabled($entity_type_id, $bundle, $value);
    *   (optional) The bundle of the entity. If no bundle is provided, all the
    *   available bundles are checked.
    *
-   * @returns bool
+   * @return bool
    *   TRUE if the specified bundle is translatable. If no bundle is provided
    *   returns TRUE if at least one of the entity bundles is translatable.
    */
diff --git a/core/modules/content_translation/src/FieldTranslationSynchronizer.php b/core/modules/content_translation/src/FieldTranslationSynchronizer.php
index 13b805d..8caf1f8 100644
--- a/core/modules/content_translation/src/FieldTranslationSynchronizer.php
+++ b/core/modules/content_translation/src/FieldTranslationSynchronizer.php
@@ -207,7 +207,7 @@ public function synchronizeItems(array &$values, array $unchanged_items, $sync_l
    * @param array $columns
    *   An array of column names to be synchronized.
    *
-   * @returns string
+   * @return string
    *   A hash code that can be used to identify the item.
    */
   protected function itemHash(array $items, $delta, array $columns) {
diff --git a/core/modules/page_cache/src/StackMiddleware/PageCache.php b/core/modules/page_cache/src/StackMiddleware/PageCache.php
index 51c2ae4..f09a0ac 100644
--- a/core/modules/page_cache/src/StackMiddleware/PageCache.php
+++ b/core/modules/page_cache/src/StackMiddleware/PageCache.php
@@ -92,7 +92,7 @@ public function handle(Request $request, $type = self::MASTER_REQUEST, $catch =
    * @param bool $catch
    *   Whether to catch exceptions or not
    *
-   * @returns \Symfony\Component\HttpFoundation\Response $response
+   * @return \Symfony\Component\HttpFoundation\Response
    *   A response object.
    */
   protected function pass(Request $request, $type = self::MASTER_REQUEST, $catch = TRUE) {
@@ -110,7 +110,7 @@ protected function pass(Request $request, $type = self::MASTER_REQUEST, $catch =
    * @param bool $catch
    *   Whether to catch exceptions or not
    *
-   * @returns \Symfony\Component\HttpFoundation\Response $response
+   * @return \Symfony\Component\HttpFoundation\Response
    *   A response object.
    */
   protected function lookup(Request $request, $type = self::MASTER_REQUEST, $catch = TRUE) {
@@ -176,7 +176,7 @@ protected function lookup(Request $request, $type = self::MASTER_REQUEST, $catch
    * @param bool $catch
    *   Whether to catch exceptions or not
    *
-   * @returns \Symfony\Component\HttpFoundation\Response $response
+   * @return \Symfony\Component\HttpFoundation\Response
    *   A response object.
    */
   protected function fetch(Request $request, $type = self::MASTER_REQUEST, $catch = TRUE) {
@@ -200,7 +200,7 @@ protected function fetch(Request $request, $type = self::MASTER_REQUEST, $catch
    * @param \Symfony\Component\HttpFoundation\Response $response
    *   A response object that should be stored in the page cache.
    *
-   * @returns bool
+   * @return bool
    */
   protected function storeResponse(Request $request, Response $response) {
     // Drupal's primary cache invalidation architecture is cache tags: any
diff --git a/core/modules/system/tests/modules/router_test_directory/src/TestContent.php b/core/modules/system/tests/modules/router_test_directory/src/TestContent.php
index f392a81..2c79863 100644
--- a/core/modules/system/tests/modules/router_test_directory/src/TestContent.php
+++ b/core/modules/system/tests/modules/router_test_directory/src/TestContent.php
@@ -44,7 +44,7 @@ public function test1() {
   /**
    * Provides example content for route specific authentication.
    *
-   * @returns string
+   * @return string
    *   The user name of the current logged in user.
    */
   public function test11() {
diff --git a/core/modules/views/src/Plugin/views/field/EntityLink.php b/core/modules/views/src/Plugin/views/field/EntityLink.php
index 75b8da3..d3e2d00 100644
--- a/core/modules/views/src/Plugin/views/field/EntityLink.php
+++ b/core/modules/views/src/Plugin/views/field/EntityLink.php
@@ -42,7 +42,7 @@ protected function getUrlInfo(ResultRow $row) {
   /**
    * Returns the entity link template name identifying the link route.
    *
-   * @returns string
+   * @return string
    *   The link template name.
    */
   protected function getEntityLinkTemplate() {
diff --git a/core/tests/Drupal/Tests/Component/Datetime/TimeTest.php b/core/tests/Drupal/Tests/Component/Datetime/TimeTest.php
index 4a5fa80..5640b1e 100644
--- a/core/tests/Drupal/Tests/Component/Datetime/TimeTest.php
+++ b/core/tests/Drupal/Tests/Component/Datetime/TimeTest.php
@@ -107,7 +107,7 @@ public function testGetCurrentMicroTime() {
 /**
  * Shadow time() system call.
  *
- * @returns int
+ * @return int
  */
 function time() {
   return 12345678;
@@ -116,7 +116,7 @@ function time() {
 /**
  * Shadow microtime system call.
  *
- * @returns float
+ * @return float
  */
 function microtime() {
   return 1234567.89;
diff --git a/core/tests/Drupal/Tests/Core/Asset/JsOptimizerUnitTest.php b/core/tests/Drupal/Tests/Core/Asset/JsOptimizerUnitTest.php
index 39a4d00..d3c60ff 100644
--- a/core/tests/Drupal/Tests/Core/Asset/JsOptimizerUnitTest.php
+++ b/core/tests/Drupal/Tests/Core/Asset/JsOptimizerUnitTest.php
@@ -33,7 +33,7 @@ protected function setUp() {
    *
    * @see \Drupal\Core\Asset\JsOptimizer::clean()
    *
-   * @returns array
+   * @return array
    *   An array of test data.
    */
   public function providerTestClean() {
@@ -80,7 +80,7 @@ public function testClean($js_asset, $expected) {
    *
    * @see \Drupal\Core\Asset\JsOptimizer::optimize()
    *
-   * @returns array
+   * @return array
    *   An array of test data.
    */
   public function providerTestOptimize() {
diff --git a/core/tests/Drupal/Tests/Core/Entity/ContentEntityBaseUnitTest.php b/core/tests/Drupal/Tests/Core/Entity/ContentEntityBaseUnitTest.php
index 0d56516..15b89c5 100644
--- a/core/tests/Drupal/Tests/Core/Entity/ContentEntityBaseUnitTest.php
+++ b/core/tests/Drupal/Tests/Core/Entity/ContentEntityBaseUnitTest.php
@@ -503,7 +503,7 @@ public function testLabel() {
   /**
    * Data provider for testGet().
    *
-   * @returns
+   * @return
    *   - Expected output from get().
    *   - Field name parameter to get().
    *   - Language code for $activeLanguage.
@@ -565,7 +565,7 @@ public function testGet($expected, $field_name, $active_langcode, $fields) {
   /**
    * Data provider for testGetFields().
    *
-   * @returns array
+   * @return array
    *   - Expected output from getFields().
    *   - $include_computed value to pass to getFields().
    *   - Value to mock from all field definitions for isComputed().
diff --git a/core/tests/Drupal/Tests/Core/Session/SessionConfigurationTest.php b/core/tests/Drupal/Tests/Core/Session/SessionConfigurationTest.php
index 38ee14f..763538f 100644
--- a/core/tests/Drupal/Tests/Core/Session/SessionConfigurationTest.php
+++ b/core/tests/Drupal/Tests/Core/Session/SessionConfigurationTest.php
@@ -14,7 +14,7 @@ class SessionConfigurationTest extends UnitTestCase {
   /**
    * Constructs a partially mocked SUT.
    *
-   * @returns \Drupal\Core\Session\SessionConfiguration|\PHPUnit_Framework_MockObject_MockObject
+   * @return \Drupal\Core\Session\SessionConfiguration|\PHPUnit_Framework_MockObject_MockObject
    */
   protected function createSessionConfiguration($options = []) {
     return $this->getMock('Drupal\Core\Session\SessionConfiguration', ['drupalValidTestUa'], [$options]);
@@ -39,7 +39,7 @@ public function testGeneratedCookieDomain($uri, $expected_domain) {
   /**
    * Data provider for the cookie domain test.
    *
-   * @returns array
+   * @return array
    *   Test data
    */
   public function providerTestGeneratedCookieDomain() {
@@ -78,7 +78,7 @@ public function testEnforcedCookieDomain($uri, $expected_domain) {
   /**
    * Data provider for the cookie domain test.
    *
-   * @returns array
+   * @return array
    *   Test data
    */
   public function providerTestEnforcedCookieDomain() {
@@ -133,7 +133,7 @@ public function testCookieSecureNotOverridable($uri, $expected_secure) {
   /**
    * Data provider for the cookie secure test.
    *
-   * @returns array
+   * @return array
    *   Test data
    */
   public function providerTestCookieSecure() {
@@ -166,7 +166,7 @@ public function testGeneratedSessionName($uri, $expected_name) {
   /**
    * Data provider for the cookie name test.
    *
-   * @returns array
+   * @return array
    *   Test data
    */
   public function providerTestGeneratedSessionName() {
@@ -214,7 +214,7 @@ public function testEnforcedSessionNameViaCookieDomain($uri, $expected_name) {
   /**
    * Data provider for the cookie name test.
    *
-   * @returns array
+   * @return array
    *   Test data
    */
   public function providerTestEnforcedSessionName() {