diff --git a/core/modules/update/src/ProjectSecurityRequirement.php b/core/modules/update/src/ProjectSecurityRequirement.php
index cd994e04c97..b14acf5af74 100644
--- a/core/modules/update/src/ProjectSecurityRequirement.php
+++ b/core/modules/update/src/ProjectSecurityRequirement.php
@@ -2,7 +2,6 @@
 
 namespace Drupal\update;
 
-use Drupal\Core\Render\Markup;
 use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Drupal\Core\Url;
 
@@ -138,11 +137,14 @@ final class ProjectSecurityRequirement {
     if ($security_coverage_message = $this->getVersionEndCoverageMessage()) {
       $requirement['description'] = $security_coverage_message;
       if ($this->securityCoverageInfo['additional_minors_coverage'] > 0) {
-        $requirement['value'] = $this->t('Supported minor version');
+        $requirement['value'] = $this->t(
+          'Covered until @end_version',
+          ['@end_version' => $this->securityCoverageInfo['security_coverage_end_version']]
+        );
         $requirement['severity'] = $this->securityCoverageInfo['additional_minors_coverage'] > 1 ? REQUIREMENT_INFO : REQUIREMENT_WARNING;
       }
       else {
-        $requirement['value'] = $this->t('Unsupported minor version');
+        $requirement['value'] = $this->t('Coverage has ended');
         $requirement['severity'] = REQUIREMENT_ERROR;
       }
     }
@@ -152,8 +154,8 @@ final class ProjectSecurityRequirement {
   /**
    * Gets the message for additional minor version security coverage.
    *
-   * @return string|\Drupal\Component\Render\MarkupInterface
-   *   The security coverage message, or an empty string if there is none.
+   * @return array[]
+   *   A render array containing security coverage message.
    *
    * @see \Drupal\update\ProjectSecurityData::getCoverageInfo()
    */
@@ -161,29 +163,34 @@ final class ProjectSecurityRequirement {
     if ($this->securityCoverageInfo['additional_minors_coverage'] > 0) {
       // If the installed minor version will receive security coverage until
       // newer minor versions are released, inform the user.
-      $translation_arguments = [
-        '@project' => $this->projectTitle,
-        '@version' => $this->existingMajorMinorVersion,
-        '@coverage_version' => $this->securityCoverageInfo['security_coverage_end_version'],
-      ];
-      $message = '<p>' . $this->t('The installed minor version of @project (@version), will stop receiving official security support after the release of @coverage_version.', $translation_arguments) . '</p>';
-
       if ($this->securityCoverageInfo['additional_minors_coverage'] === 1) {
         // If the installed minor version will only receive security coverage
         // for 1 newer minor core version, encourage the site owner to update
         // soon.
-        $message .= '<p>' . $this->t('Update to @next_minor or higher soon to continue receiving security updates.', ['@next_minor' => $this->nextMajorMinorVersion])
-          . ' ' . static::getAvailableUpdatesMessage() . '</p>';
+        $message['coverage_message'] = [
+          '#markup' => $this->t(
+            '<a href=":update_status_report">Update to @next_minor or higher</a> soon to continue receiving security updates.',
+            [
+              ':update_status_report' => Url::fromRoute('update.status')->toString(),
+              '@next_minor' => $this->nextMajorMinorVersion,
+            ]
+          ),
+          '#suffix' => ' ',
+        ];
       }
     }
     else {
       // Because the current minor version no longer has security coverage,
       // advise the site owner to update.
-      $message = $this->getVersionNoSecurityCoverageMessage();
+      $message['coverage_message'] = [
+        '#markup' => $this->getVersionNoSecurityCoverageMessage(),
+        '#suffix' => ' ',
+      ];
     }
-    $message .= $this->getReleaseCycleLink();
-
-    return Markup::create($message);
+    $message['release_cycle_link'] = [
+      '#markup' => $this->getReleaseCycleLink(),
+    ];
+    return $message;
   }
 
   /**
@@ -212,35 +219,37 @@ final class ProjectSecurityRequirement {
       // 'Y-m' format.
       $full_security_coverage_end_date = $this->securityCoverageInfo['security_coverage_end_date'] . '-15';
     }
-    $security_coverage_end_timestamp = \DateTime::createFromFormat('Y-m-d', $full_security_coverage_end_date)->getTimestamp();
-    $formatted_end_date = $date_format === 'Y-m-d'
-      ? $this->securityCoverageInfo['security_coverage_end_date']
-      : $date_formatter->format($security_coverage_end_timestamp, 'custom', 'F Y');
+
     $comparable_request_date = $date_formatter->format($time->getRequestTime(), 'custom', $date_format);
     if ($this->securityCoverageInfo['security_coverage_end_date'] <= $comparable_request_date) {
       // Security coverage is over.
-      $requirement['value'] = $this->t('Unsupported minor version');
+      $requirement['value'] = $this->t('Coverage has ended');
       $requirement['severity'] = REQUIREMENT_ERROR;
-      $requirement['description'] = $this->getVersionNoSecurityCoverageMessage();
+      $requirement['description']['coverage_message'] = [
+        '#markup' => $this->getVersionNoSecurityCoverageMessage(),
+        '#suffix' => ' ',
+      ];
     }
     else {
-      $requirement['value'] = $this->t('Supported minor version');
+      $security_coverage_end_timestamp = \DateTime::createFromFormat('Y-m-d', $full_security_coverage_end_date)->getTimestamp();
+      $output_date_format = $date_format === 'Y-m-d' ? 'Y-M-d' : 'Y-M';
+      $formatted_end_date = $date_formatter
+        ->format($security_coverage_end_timestamp, 'custom', $output_date_format);
+      $translation_arguments = ['@date' => $formatted_end_date];
+      $requirement['value'] = $this->t('Covered until @date', $translation_arguments);
       $requirement['severity'] = REQUIREMENT_INFO;
-      $translation_arguments = [
-        '@project' => $this->projectTitle,
-        '@version' => $this->existingMajorMinorVersion,
-        '@date' => $formatted_end_date,
-      ];
-      $requirement['description'] = '<p>' . $this->t('The installed minor version of @project (@version), will stop receiving official security support after @date.', $translation_arguments) . '</p>';
       // 'security_coverage_ending_warn_date' will always be in the format
       // 'Y-m-d'.
       $request_date = $date_formatter->format($time->getRequestTime(), 'custom', 'Y-m-d');
       if (!empty($this->securityCoverageInfo['security_coverage_ending_warn_date']) && $this->securityCoverageInfo['security_coverage_ending_warn_date'] <= $request_date) {
-        $requirement['description'] .= '<p>' . $this->t('Update to a supported minor version soon to continue receiving security updates.') . '</p>';
+        $requirement['description']['coverage_message'] = [
+          '#markup' => $this->t('Update to a supported minor version soon to continue receiving security updates.'),
+          '#suffix' => ' ',
+        ];
         $requirement['severity'] = REQUIREMENT_WARNING;
       }
     }
-    $requirement['description'] = Markup::create($requirement['description'] . $this->getReleaseCycleLink());
+    $requirement['description']['release_cycle_link'] = ['#markup' => $this->getReleaseCycleLink()];
     return $requirement;
   }
 
@@ -251,26 +260,8 @@ final class ProjectSecurityRequirement {
    *   The message for a version with no security coverage.
    */
   private function getVersionNoSecurityCoverageMessage() {
-    return '<p>' . $this->t(
-        'The installed minor version of @project (@version), is no longer supported and will not receive security updates.',
-        [
-          '@project' => $this->projectTitle,
-          '@version' => $this->existingMajorMinorVersion,
-        ])
-      . '</p><p>'
-      . $this->t('Update to a supported minor as soon as possible to continue receiving security updates.')
-      . ' ' . static::getAvailableUpdatesMessage() . '</p>';
-  }
-
-  /**
-   * Gets the message with a link to the available updates page.
-   *
-   * @return \Drupal\Core\StringTranslation\TranslatableMarkup
-   *   The message.
-   */
-  private function getAvailableUpdatesMessage() {
     return $this->t(
-      'See the <a href=":update_status_report">available updates</a> page for more information.',
+      '<a href=":update_status_report">Update to a supported minor</a> as soon as possible to continue receiving security updates.',
       [':update_status_report' => Url::fromRoute('update.status')->toString()]
     );
   }
@@ -282,10 +273,10 @@ final class ProjectSecurityRequirement {
    *   A link to the release cycle page on drupal.org.
    */
   private function getReleaseCycleLink() {
-    return '<p>' . $this->t(
+    return $this->t(
         'Visit the <a href=":url">release cycle overview</a> for more information on supported releases.',
         [':url' => 'https://www.drupal.org/core/release-cycle-overview']
-      ) . '</p>';
+      );
   }
 
 }
diff --git a/core/modules/update/tests/src/Functional/UpdateCoreTest.php b/core/modules/update/tests/src/Functional/UpdateCoreTest.php
index abfb354af4f..d6c198f42ec 100644
--- a/core/modules/update/tests/src/Functional/UpdateCoreTest.php
+++ b/core/modules/update/tests/src/Functional/UpdateCoreTest.php
@@ -425,7 +425,7 @@ class UpdateCoreTest extends UpdateTestBase {
     // 'Checked', 'Warnings found', or 'Errors found'.
     $requirements_section_element = $requirements_details->getParent();
     $this->assertCount(1, $requirements_section_element->findAll('css', "h3:contains('$requirements_section_heading')"));
-    $actual_message = $requirements_details->find('css', 'div.description')->getText();
+    $actual_message = $requirements_details->find('css', 'div.system-status-report__entry__value')->getText();
     $this->assertNotEmpty($actual_message);
     $this->assertEquals($message, $actual_message);
   }
@@ -450,7 +450,7 @@ class UpdateCoreTest extends UpdateTestBase {
    */
   public function securityCoverageMessageProvider() {
     $release_coverage_message = 'Visit the release cycle overview for more information on supported releases.';
-    $see_available_message = 'See the available updates page for more information.';
+    $coverage_ended_message = 'Coverage has ended';
     $update_asap_message = 'Update to a supported minor as soon as possible to continue receiving security updates.';
     $update_soon_message = 'Update to a supported minor version soon to continue receiving security updates.';
     $test_cases = [
@@ -458,35 +458,35 @@ class UpdateCoreTest extends UpdateTestBase {
         'installed_version' => '8.0.0',
         'fixture' => 'sec.2.0_3.0-rc1',
         'requirements_section_heading' => 'Errors found',
-        'message' => "The installed minor version of Drupal (8.0), is no longer supported and will not receive security updates.$update_asap_message $see_available_message$release_coverage_message",
+        'message' => "$coverage_ended_message $update_asap_message $release_coverage_message",
         'mock_date' => '',
       ],
       '8.1.0, supported with 3rc' => [
         'installed_version' => '8.1.0',
         'fixture' => 'sec.2.0_3.0-rc1',
         'requirements_section_heading' => 'Warnings found',
-        'message' => "The installed minor version of Drupal (8.1), will stop receiving official security support after the release of 8.3.0.Update to 8.2 or higher soon to continue receiving security updates. $see_available_message$release_coverage_message",
+        'message' => "Covered until 8.3.0 Update to 8.2 or higher soon to continue receiving security updates. $release_coverage_message",
         'mock_date' => '',
       ],
       '8.1.0, supported' => [
         'installed_version' => '8.1.0',
         'fixture' => 'sec.2.0',
         'requirements_section_heading' => 'Warnings found',
-        'message' => "The installed minor version of Drupal (8.1), will stop receiving official security support after the release of 8.3.0.Update to 8.2 or higher soon to continue receiving security updates. $see_available_message$release_coverage_message",
+        'message' => "Covered until 8.3.0 Update to 8.2 or higher soon to continue receiving security updates. $release_coverage_message",
         'mock_date' => '',
       ],
       '8.2.0, supported with 3rc' => [
         'installed_version' => '8.2.0',
         'fixture' => 'sec.2.0_3.0-rc1',
         'requirements_section_heading' => 'Checked',
-        'message' => "The installed minor version of Drupal (8.2), will stop receiving official security support after the release of 8.4.0.$release_coverage_message",
+        'message' => "Covered until 8.4.0 $release_coverage_message",
         'mock_date' => '',
       ],
       '8.2.0, supported' => [
         'installed_version' => '8.2.0',
         'fixture' => 'sec.2.0',
         'requirements_section_heading' => 'Checked',
-        'message' => "The installed minor version of Drupal (8.2), will stop receiving official security support after the release of 8.4.0.$release_coverage_message",
+        'message' => "Covered until 8.4.0 $release_coverage_message",
         'mock_date' => '',
       ],
       // Ensure we don't show messages for pre-release or dev versions.
@@ -511,7 +511,7 @@ class UpdateCoreTest extends UpdateTestBase {
         'installed_version' => '8.0.0',
         'fixture' => 'sec.2.0_9.0.0',
         'requirements_section_heading' => 'Errors found',
-        'message' => "The installed minor version of Drupal (8.0), is no longer supported and will not receive security updates.$update_asap_message $see_available_message$release_coverage_message",
+        'message' => "$coverage_ended_message $update_asap_message $release_coverage_message",
         'mock_date' => '',
       ],
       // Ensures the message is correct if the next major version has been
@@ -521,7 +521,7 @@ class UpdateCoreTest extends UpdateTestBase {
         'installed_version' => '8.2.0',
         'fixture' => 'sec.2.0_9.0.0',
         'requirements_section_heading' => 'Warnings found',
-        'message' => "The installed minor version of Drupal (8.2), will stop receiving official security support after the release of 8.4.0.Update to 8.3 or higher soon to continue receiving security updates. $see_available_message$release_coverage_message",
+        'message' => "Covered until 8.4.0 Update to 8.3 or higher soon to continue receiving security updates. $release_coverage_message",
         'mock_date' => '',
       ],
     ];
@@ -533,7 +533,7 @@ class UpdateCoreTest extends UpdateTestBase {
         'installed_version' => '8.8.0',
         'fixture' => 'sec.9.0',
         'requirements_section_heading' => 'Checked',
-        'message' => "The installed minor version of Drupal (8.8), will stop receiving official security support after 2020-12-02.$release_coverage_message",
+        'message' => "Covered until 2020-Dec-02 $release_coverage_message",
         'mock_date' => '2020-06-01',
       ],
       // Ensure a warning is displayed if less than six months remain until the
@@ -542,7 +542,7 @@ class UpdateCoreTest extends UpdateTestBase {
         'installed_version' => '8.8.0',
         'fixture' => 'sec.9.0',
         'requirements_section_heading' => 'Warnings found',
-        'message' => "The installed minor version of Drupal (8.8), will stop receiving official security support after 2020-12-02.$update_soon_message$release_coverage_message",
+        'message' => "Covered until 2020-Dec-02 $update_soon_message $release_coverage_message",
         'mock_date' => '2020-06-02',
       ],
     ];
@@ -557,7 +557,7 @@ class UpdateCoreTest extends UpdateTestBase {
       'installed_version' => '8.8.0',
       'fixture' => 'sec.9.0',
       'requirements_section_heading' => 'Errors found',
-      'message' => "The installed minor version of Drupal (8.8), is no longer supported and will not receive security updates.$update_asap_message $see_available_message$release_coverage_message",
+      'message' => "$coverage_ended_message $update_asap_message $release_coverage_message",
       'mock_date' => '2020-12-02',
     ];
 
@@ -566,7 +566,7 @@ class UpdateCoreTest extends UpdateTestBase {
       'installed_version' => '8.9.0',
       'fixture' => 'sec.9.0',
       'requirements_section_heading' => 'Checked',
-      'message' => "The installed minor version of Drupal (8.9), will stop receiving official security support after November 2021.$release_coverage_message",
+      'message' => "Covered until 2021-Nov $release_coverage_message",
       'mock_date' => '2021-01-01',
     ];
     // Ensure that the message does not change, including on the last day of
@@ -579,7 +579,7 @@ class UpdateCoreTest extends UpdateTestBase {
       'installed_version' => '8.9.0',
       'fixture' => 'sec.9.0',
       'requirements_section_heading' => 'Errors found',
-      'message' => "The installed minor version of Drupal (8.9), is no longer supported and will not receive security updates.$update_asap_message $see_available_message$release_coverage_message",
+      'message' => "$coverage_ended_message $update_asap_message $release_coverage_message",
       'mock_date' => '2021-11-01',
     ];
 
@@ -590,14 +590,14 @@ class UpdateCoreTest extends UpdateTestBase {
         'installed_version' => '9.9.0',
         'fixture' => 'sec.9.9.0',
         'requirements_section_heading' => 'Checked',
-        'message' => "The installed minor version of Drupal (9.9), will stop receiving official security support after the release of 9.11.0.$release_coverage_message",
+        'message' => "Covered until 9.11.0 $release_coverage_message",
         'mock_date' => '',
       ],
       '9.8.0' => [
         'installed_version' => '9.8.0',
         'fixture' => 'sec.9.9.0',
         'requirements_section_heading' => 'Warnings found',
-        'message' => "The installed minor version of Drupal (9.8), will stop receiving official security support after the release of 9.10.0.Update to 9.9 or higher soon to continue receiving security updates. $see_available_message$release_coverage_message",
+        'message' => "Covered until 9.10.0 Update to 9.9 or higher soon to continue receiving security updates. $release_coverage_message",
         'mock_date' => '',
       ],
     ];