diff --git a/core/modules/outside_in/css/outside_in.details.css b/core/modules/outside_in/css/outside_in.details.css
index 94c1aad..5b981f0 100644
--- a/core/modules/outside_in/css/outside_in.details.css
+++ b/core/modules/outside_in/css/outside_in.details.css
@@ -1,6 +1,6 @@
 /**
  * @file
- * Visual styling for summary and details in the Outside-In module off canvas tray.
+ * Visual styling for summary and details in the Settings Tray module's off canvas tray.
  */
 
 .ui-dialog-offcanvas details,
diff --git a/core/modules/outside_in/css/outside_in.form.css b/core/modules/outside_in/css/outside_in.form.css
index 640f264..90dc280 100644
--- a/core/modules/outside_in/css/outside_in.form.css
+++ b/core/modules/outside_in/css/outside_in.form.css
@@ -1,6 +1,6 @@
 /**
  * @file
- * Visual styling for forms in the Outside-In module off canvas tray.
+ * Visual styling for forms in the Settings Tray module's off canvas tray.
  */
 
 .ui-dialog-offcanvas label {
diff --git a/core/modules/outside_in/css/outside_in.module.css b/core/modules/outside_in/css/outside_in.module.css
index 03deeb6..9e36037 100644
--- a/core/modules/outside_in/css/outside_in.module.css
+++ b/core/modules/outside_in/css/outside_in.module.css
@@ -1,6 +1,6 @@
 /**
  * @file
- * Styling for Outside-In module.
+ * Styling for Settings Tray module.
  */
 
 /* Position the offcanvas tray container outside the right of the viewport. */
@@ -29,7 +29,7 @@
 
 /*
  * Position the edit toolbar tab.
- * @todo Move changes into contextual module when outside-in is not
+ * @todo Move changes into contextual module when Settings Tray is not
  *   experimental: https://www.drupal.org/node/2784591.
  */
 .toolbar .toolbar-bar .contextual-toolbar-tab.toolbar-tab {
diff --git a/core/modules/outside_in/css/outside_in.motion.css b/core/modules/outside_in/css/outside_in.motion.css
index 096bfe0..8fbf5cb 100644
--- a/core/modules/outside_in/css/outside_in.motion.css
+++ b/core/modules/outside_in/css/outside_in.motion.css
@@ -1,6 +1,6 @@
 /**
  * @file
- * Motion effects for outside-in module.
+ * Motion effects for Settings Tray module.
  *
  * Motion effects are in a separate file so that they can be easily turned off
  * to improve performance if desired.
diff --git a/core/modules/outside_in/css/outside_in.table.css b/core/modules/outside_in/css/outside_in.table.css
index faacc21..2a02d30 100644
--- a/core/modules/outside_in/css/outside_in.table.css
+++ b/core/modules/outside_in/css/outside_in.table.css
@@ -1,6 +1,6 @@
 /**
  * @file
- * Visual styling for tables in the Outside-In module off canvas tray.
+ * Visual styling for tables in the Settings Tray module's off canvas tray.
  */
 
 .ui-dialog-offcanvas table {
diff --git a/core/modules/outside_in/css/outside_in.tabledrag.css b/core/modules/outside_in/css/outside_in.tabledrag.css
index 9601992..f025977 100644
--- a/core/modules/outside_in/css/outside_in.tabledrag.css
+++ b/core/modules/outside_in/css/outside_in.tabledrag.css
@@ -1,6 +1,6 @@
 /**
  * @file
- * Table drag behavior for outside-in module.
+ * Table drag behavior for Settings Tray module.
  *
  * @see tabledrag.js
  */
diff --git a/core/modules/outside_in/css/outside_in.theme.css b/core/modules/outside_in/css/outside_in.theme.css
index 4da0765..438fbb2 100644
--- a/core/modules/outside_in/css/outside_in.theme.css
+++ b/core/modules/outside_in/css/outside_in.theme.css
@@ -1,6 +1,6 @@
 /**
  * @file
- * Visual styling for Outside-In module.
+ * Visual styling for Settings Tray module.
  */
 
 /* @todo Move this into toolbar when this module is no longer experimental:
@@ -198,7 +198,7 @@
 /* Groups below here with todos to move to new component need to load last. */
 
 /**
- * Visual styling for buttons in the Outside-In module off canvas tray.
+ * Visual styling for buttons in the Settings Tray module's off canvas tray.
  * @todo Move to it's own component:
  *   https://www.drupal.org/node/1945262.
  */
@@ -238,7 +238,7 @@
 
 
 /*
- * Visual styling for dropbutton in the Outside-In modules off canvas tray.
+ * Visual styling for dropbutton in the Settings Tray module's off canvas tray.
  * @todo Move to it's own component:
  *   https://www.drupal.org/node/1945262.
  */
diff --git a/core/modules/outside_in/css/outside_in.toolbar.css b/core/modules/outside_in/css/outside_in.toolbar.css
index b8b6397..3f7e044 100644
--- a/core/modules/outside_in/css/outside_in.toolbar.css
+++ b/core/modules/outside_in/css/outside_in.toolbar.css
@@ -1,6 +1,6 @@
 /**
  * @file
- * Visual styling for the toolbar when Outside-In module is enabled.
+ * Visual styling for the toolbar when Settings Tray module is enabled.
  */
 
 /* @todo Move this into toolbar when module is not experimental:
diff --git a/core/modules/outside_in/js/outside_in.js b/core/modules/outside_in/js/outside_in.js
index 84e04a8..b7bd32d 100644
--- a/core/modules/outside_in/js/outside_in.js
+++ b/core/modules/outside_in/js/outside_in.js
@@ -1,6 +1,6 @@
 /**
  * @file
- * Drupal's Outside-In library.
+ * Drupal's Settings Tray library.
  */
 
 (function ($, Drupal) {
@@ -52,7 +52,7 @@
 
     // Bind a listener to all 'Quick edit' links for blocks
     // Click "Edit" button in toolbar to force Contextual Edit which starts
-    // Outside-In edit mode also.
+    // Settings Tray edit mode also.
     data.$el.find('.outside-inblock-configure a').on('click', function () {
       if (!isActiveMode()) {
         $('div.contextual-toolbar-tab.toolbar-tab button').click();
diff --git a/core/modules/outside_in/outside_in.info.yml b/core/modules/outside_in/outside_in.info.yml
index 2ff1c7a..f25420f 100644
--- a/core/modules/outside_in/outside_in.info.yml
+++ b/core/modules/outside_in/outside_in.info.yml
@@ -1,4 +1,4 @@
-name: 'Outside-In'
+name: 'Settings Tray'
 type: module
 description: 'Provides the ability to change the most common configuration from the Drupal front-end.'
 package: Core (Experimental)
diff --git a/core/modules/outside_in/outside_in.install b/core/modules/outside_in/outside_in.install
index d042915..e205e46 100644
--- a/core/modules/outside_in/outside_in.install
+++ b/core/modules/outside_in/outside_in.install
@@ -2,7 +2,7 @@
 
 /**
  * @file
- * Install, update and uninstall functions for the Outside-In module.
+ * Install, update and uninstall functions for the Settings Tray module.
  */
 
 use Drupal\Core\Cache\Cache;
diff --git a/core/modules/outside_in/outside_in.module b/core/modules/outside_in/outside_in.module
index f82d839..95e5fbe 100644
--- a/core/modules/outside_in/outside_in.module
+++ b/core/modules/outside_in/outside_in.module
@@ -18,10 +18,10 @@ function outside_in_help($route_name, RouteMatchInterface $route_match) {
   switch ($route_name) {
     case 'help.page.outside_in':
       $output = '<h3>' . t('About') . '</h3>';
-      $output .= '<p>' . t('The outside-in module provides an \'edit mode\' in which clicking on a block opens a side tray which allows configuration to be altered without leaving the page.For more information, see the <a href=":outside-in-documentation">online documentation for the Outside-In module</a>.', [':outside-in-documentation' => 'https://www.drupal.org/documentation/modules/outside_in']) . '</p>';
+      $output .= '<p>' . t('The Settings Tray module provides an \'edit mode\' in which clicking on a block opens a slide-out tray which allows configuration to be altered without leaving the page.For more information, see the <a href=":outside-in-documentation">online documentation for the Settings Tray module</a>.', [':outside-in-documentation' => 'https://www.drupal.org/documentation/modules/outside_in']) . '</p>';
       $output .= '<h3>' . t('Uses') . '</h3>';
       $output .= '<dl>';
-      $output .= '<dt>' . t('Editing blocks on the same page in the side tray') . '</dt>';
+      $output .= '<dt>' . t('Editing blocks on the same page in the slide-out tray') . '</dt>';
       $output .= '</dl>';
       return ['#markup' => $output];
   }
diff --git a/core/modules/outside_in/src/Cache/Context/OutsideInCacheContext.php b/core/modules/outside_in/src/Cache/Context/OutsideInCacheContext.php
index 193b948..4a24671 100644
--- a/core/modules/outside_in/src/Cache/Context/OutsideInCacheContext.php
+++ b/core/modules/outside_in/src/Cache/Context/OutsideInCacheContext.php
@@ -34,7 +34,7 @@ public function __construct(OutsideInManagerInterface $outside_in_manager) {
    * {@inheritdoc}
    */
   public static function getLabel() {
-    return t('Outside-In');
+    return t('Settings Tray');
   }
 
   /**
diff --git a/core/modules/outside_in/src/OutsideInManager.php b/core/modules/outside_in/src/OutsideInManager.php
index 295655b..666a938 100644
--- a/core/modules/outside_in/src/OutsideInManager.php
+++ b/core/modules/outside_in/src/OutsideInManager.php
@@ -7,7 +7,7 @@
 use Drupal\Core\Session\AccountInterface;
 
 /**
- * Manages information related to Outside-In.
+ * Manages information related to Settings Tray.
  */
 class OutsideInManager implements OutsideInManagerInterface {
 
diff --git a/core/modules/outside_in/src/OutsideInManagerInterface.php b/core/modules/outside_in/src/OutsideInManagerInterface.php
index bb3dae5..684adb3 100644
--- a/core/modules/outside_in/src/OutsideInManagerInterface.php
+++ b/core/modules/outside_in/src/OutsideInManagerInterface.php
@@ -8,10 +8,10 @@
 interface OutsideInManagerInterface {
 
   /**
-   * Determines if the Outside-In logic should be run on the current page.
+   * Determines if the Settings Tray logic should be run on the current page.
    *
    * @return bool
-   *   TRUE if the Outside-In logic should be run.
+   *   TRUE if the Settings Tray logic should be run.
    */
   public function isApplicable();
 
diff --git a/core/modules/outside_in/src/Tests/Ajax/OffCanvasDialogTest.php b/core/modules/outside_in/src/Tests/Ajax/OffCanvasDialogTest.php
index fc3851b..1e5b0d1 100644
--- a/core/modules/outside_in/src/Tests/Ajax/OffCanvasDialogTest.php
+++ b/core/modules/outside_in/src/Tests/Ajax/OffCanvasDialogTest.php
@@ -9,7 +9,7 @@
 /**
  * Performs tests on opening and manipulating dialogs via AJAX commands.
  *
- * @group Outside-In
+ * @group outside_in
  */
 class OffCanvasDialogTest extends AjaxTestBase {
 
diff --git a/core/modules/outside_in/tests/src/FunctionalJavascript/OutsideInJavascriptTestBase.php b/core/modules/outside_in/tests/src/FunctionalJavascript/OutsideInJavascriptTestBase.php
index bc9ff9a..f27fb1a 100644
--- a/core/modules/outside_in/tests/src/FunctionalJavascript/OutsideInJavascriptTestBase.php
+++ b/core/modules/outside_in/tests/src/FunctionalJavascript/OutsideInJavascriptTestBase.php
@@ -5,7 +5,7 @@
 use Drupal\FunctionalJavascriptTests\JavascriptTestBase;
 
 /**
- * Base class contains common test functionality for the Outside-In module.
+ * Base class contains common test functionality for the Settings Tray module.
  */
 abstract class OutsideInJavascriptTestBase extends JavascriptTestBase {
 
