diff --git a/core/lib/Drupal/Core/Extension/ExtensionDiscovery.php b/core/lib/Drupal/Core/Extension/ExtensionDiscovery.php
index 17806711b75c..337629bf708d 100644
--- a/core/lib/Drupal/Core/Extension/ExtensionDiscovery.php
+++ b/core/lib/Drupal/Core/Extension/ExtensionDiscovery.php
@@ -138,7 +138,7 @@ class ExtensionDiscovery {
    * To also find test modules, add
    * @code
    * $settings['extension_discovery_scan_tests'] = TRUE;
-   * @encode
+   * @endcode
    * to your settings.php.
    *
    * The information is returned in an associative array, keyed by the extension
diff --git a/core/lib/Drupal/Core/Extension/ModuleInstallerInterface.php b/core/lib/Drupal/Core/Extension/ModuleInstallerInterface.php
index ce14f86ae030..c8221a172252 100644
--- a/core/lib/Drupal/Core/Extension/ModuleInstallerInterface.php
+++ b/core/lib/Drupal/Core/Extension/ModuleInstallerInterface.php
@@ -21,7 +21,7 @@ interface ModuleInstallerInterface {
    * To install test modules add
    * @code
    * $settings['extension_discovery_scan_tests'] = TRUE;
-   * @encode
+   * @endcode
    * to your settings.php.
    *
    * @param string[] $module_list
diff --git a/core/modules/simpletest/src/KernelTestBase.php b/core/modules/simpletest/src/KernelTestBase.php
index 8f974014961f..96c5cf63c614 100644
--- a/core/modules/simpletest/src/KernelTestBase.php
+++ b/core/modules/simpletest/src/KernelTestBase.php
@@ -497,7 +497,7 @@ EOD;
    * To install test modules outside of the testing environment, add
    * @code
    * $settings['extension_discovery_scan_tests'] = TRUE;
-   * @encode
+   * @endcode
    * to your settings.php.
    *
    * @param array $modules
diff --git a/core/modules/simpletest/src/WebTestBase.php b/core/modules/simpletest/src/WebTestBase.php
index eb1ad738fc53..cb454a1bd213 100644
--- a/core/modules/simpletest/src/WebTestBase.php
+++ b/core/modules/simpletest/src/WebTestBase.php
@@ -876,7 +876,7 @@ abstract class WebTestBase extends TestBase {
    * To install test modules outside of the testing environment, add
    * @code
    * $settings['extension_discovery_scan_tests'] = TRUE;
-   * @encode
+   * @endcode
    * to your settings.php.
    *
    * @param \Symfony\Component\DependencyInjection\ContainerInterface $container
diff --git a/core/modules/views/views.api.php b/core/modules/views/views.api.php
index 29e53826a023..db06b46f7692 100644
--- a/core/modules/views/views.api.php
+++ b/core/modules/views/views.api.php
@@ -833,12 +833,12 @@ function hook_views_pre_render(ViewExecutable $view) {
  * primary field will be a nid, you can do something like this:
  * @code
  *   <!--post-FIELD-NID-->
- * @encode
+ * @endcode
  * And then in the post-render, create an array with the text that should
  * go there:
  * @code
  *   strtr($output, array('<!--post-FIELD-1-->' => 'output for FIELD of nid 1');
- * @encode
+ * @endcode
  * All of the cached result data will be available in $view->result, as well,
  * so all ids used in the query should be discoverable.
  *
diff --git a/core/tests/Drupal/KernelTests/KernelTestBase.php b/core/tests/Drupal/KernelTests/KernelTestBase.php
index 08e599a59da5..d849d9a5e53e 100644
--- a/core/tests/Drupal/KernelTests/KernelTestBase.php
+++ b/core/tests/Drupal/KernelTests/KernelTestBase.php
@@ -862,7 +862,7 @@ abstract class KernelTestBase extends \PHPUnit_Framework_TestCase implements Ser
    * To install test modules outside of the testing environment, add
    * @code
    * $settings['extension_discovery_scan_tests'] = TRUE;
-   * @encode
+   * @endcode
    * to your settings.php.
    *
    * @param string[] $modules