diff --git a/core/modules/system/lib/Drupal/system/Tests/Upgrade/BareMinimalUpgradePathTest.php b/core/modules/system/lib/Drupal/system/Tests/Upgrade/BareMinimalUpgradePathTest.php
index 5956394..c4a6abe 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Upgrade/BareMinimalUpgradePathTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Upgrade/BareMinimalUpgradePathTest.php
@@ -78,7 +78,7 @@ public function testBasicMinimalUpgrade() {
     $this->assertText(t('Configuration'));
     $this->assertText(t('Reports'));
     $this->assertText(t('Structure'));
-    $this->assertText(t('Modules'));
+    $this->assertText(t('Extensions'));
 
     // Confirm that no {menu_links} entry exists for user/autocomplete.
     $result = db_query('SELECT COUNT(*) FROM {menu_links} WHERE link_path = :user_autocomplete', array(':user_autocomplete' => 'user/autocomplete'))->fetchField();
diff --git a/core/modules/system/lib/Drupal/system/Tests/Upgrade/BareStandardUpgradePathTest.php b/core/modules/system/lib/Drupal/system/Tests/Upgrade/BareStandardUpgradePathTest.php
index 1ac554c..467e58a 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Upgrade/BareStandardUpgradePathTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Upgrade/BareStandardUpgradePathTest.php
@@ -79,7 +79,7 @@ public function testBasicStandardUpgrade() {
     $this->assertText(t('Configuration'));
     $this->assertText(t('Reports'));
     $this->assertText(t('Structure'));
-    $this->assertText(t('Modules'));
+    $this->assertText(t('Extensions'));
 
     // Confirm that no {menu_links} entry exists for user/autocomplete.
     $result = db_query('SELECT COUNT(*) FROM {menu_links} WHERE link_path = :user_autocomplete', array(':user_autocomplete' => 'user/autocomplete'))->fetchField();
diff --git a/core/modules/system/lib/Drupal/system/Tests/Upgrade/FilledMinimalUpgradePathTest.php b/core/modules/system/lib/Drupal/system/Tests/Upgrade/FilledMinimalUpgradePathTest.php
index bd74caa..81e3b6b 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Upgrade/FilledMinimalUpgradePathTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Upgrade/FilledMinimalUpgradePathTest.php
@@ -78,7 +78,7 @@ public function testFilledMinimalUpgrade() {
     $this->assertText(t('Configuration'));
     $this->assertText(t('Reports'));
     $this->assertText(t('Structure'));
-    $this->assertText(t('Modules'));
+    $this->assertText(t('Extensions'));
 
     // Confirm that no {menu_links} entry exists for user/autocomplete.
     $result = db_query('SELECT COUNT(*) FROM {menu_links} WHERE link_path = :user_autocomplete', array(':user_autocomplete' => 'user/autocomplete'))->fetchField();
diff --git a/core/modules/system/lib/Drupal/system/Tests/Upgrade/FilledStandardUpgradePathTest.php b/core/modules/system/lib/Drupal/system/Tests/Upgrade/FilledStandardUpgradePathTest.php
index 0242830..940c4bd 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Upgrade/FilledStandardUpgradePathTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Upgrade/FilledStandardUpgradePathTest.php
@@ -79,7 +79,7 @@ public function testFilledStandardUpgrade() {
     $this->assertText(t('Configuration'));
     $this->assertText(t('Reports'));
     $this->assertText(t('Structure'));
-    $this->assertText(t('Modules'));
+    $this->assertText(t('Extensions'));
 
     // Confirm that no {menu_links} entry exists for user/autocomplete.
     $result = db_query('SELECT COUNT(*) FROM {menu_links} WHERE link_path = :user_autocomplete', array(':user_autocomplete' => 'user/autocomplete'))->fetchField();
diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index 0ea066b..35d820d 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -718,7 +718,7 @@ function system_menu() {
 
   // Modules.
   $items['admin/modules'] = array(
-    'title' => 'Modules',
+    'title' => 'Extensions',
     'description' => 'Extend site functionality.',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('system_modules'),