diff --git a/core/modules/system/system.install b/core/modules/system/system.install
index ae3f4b8..b03e313 100644
--- a/core/modules/system/system.install
+++ b/core/modules/system/system.install
@@ -934,10 +934,10 @@ function system_requirements($phase) {
     $requirements['limited_date_range'] = [
       'title' => t('Limited Date Range'),
       'value' => t('Your PHP installation has a limited date range.'),
-      'description' => t('You are running on a system where PHP is compiled or limited to using 32-bit integers. This will limit the range of dates and timestamps to the years 1901-2038.'),
+      'description' => t('You are running on a system where PHP is compiled or limited to using 32-bit integers. This will limit the range of dates and timestamps to the years 1901-2038. <a href="https://en.wikipedia.org/wiki/Year_2038_problem">Read More about 2038 bug</a>.'),
       'severity' => REQUIREMENT_WARNING,
-      ];
-    }
+    ];
+  }
 
   return $requirements;
 }
diff --git a/core/tests/Drupal/Tests/Component/Datetime/DateTimePlusTest.php b/core/tests/Drupal/Tests/Component/Datetime/DateTimePlusTest.php
index f249fad..2b83a16 100644
--- a/core/tests/Drupal/Tests/Component/Datetime/DateTimePlusTest.php
+++ b/core/tests/Drupal/Tests/Component/Datetime/DateTimePlusTest.php
@@ -330,7 +330,7 @@ public function providerTestDates() {
    * @see DateTimePlusTest::testDates()
    */
   public function providerTestDateArrays() {
-    $dates =  [
+    $dates = [
       // Array input.
       // Create date object from date array, date only.
       [['year' => 2010, 'month' => 2, 'day' => 28], 'America/Chicago', '2010-02-28T00:00:00-06:00'],
@@ -345,9 +345,9 @@ public function providerTestDateArrays() {
     // On 32-bit systems, timestamps are limited to 1901-2038.
     if (PHP_INT_SIZE !== 4) {
       // Create a date object in the distant past.
-       $dates[] = [['year' => 1809, 'month' => 2, 'day' => 12], 'America/Chicago', '1809-02-12T00:00:00-06:00'];
-       // Create a date object in the far future.
-       $dates[] = [['year' => 2345, 'month' => 1, 'day' => 2], 'UTC', '2345-01-02T00:00:00+00:00'];
+      $dates[] = [['year' => 1809, 'month' => 2, 'day' => 12], 'America/Chicago', '1809-02-12T00:00:00-06:00'];
+      // Create a date object in the far future.
+      $dates[] = [['year' => 2345, 'month' => 1, 'day' => 2], 'UTC', '2345-01-02T00:00:00+00:00'];
     }
 
     return $dates;