diff --git a/composer/Plugin/Scaffold/Git.php b/composer/Plugin/Scaffold/Git.php
index c604b2741bd7658263b629dd1846e1a4f0d5ad60..973b80c571e4b1aa213ec3c3c352b180c66592aa 100644
--- a/composer/Plugin/Scaffold/Git.php
+++ b/composer/Plugin/Scaffold/Git.php
@@ -2,6 +2,8 @@
 
 namespace Drupal\Composer\Plugin\Scaffold;
 
+// cspell:ignore unmatch
+
 use Composer\IO\IOInterface;
 use Composer\Util\ProcessExecutor;
 
diff --git a/composer/Plugin/Scaffold/README.md b/composer/Plugin/Scaffold/README.md
index 32bd25c37d90611b68ffce639c5372cf7a3817a5..b2c89da1e1b02f35f91f776968248581b593b765 100644
--- a/composer/Plugin/Scaffold/README.md
+++ b/composer/Plugin/Scaffold/README.md
@@ -19,7 +19,7 @@ possible; for example, a project layout very similar to the current
 [drupal-composer/drupal-project](https://github.com/drupal-composer/drupal-scaffold)
 template will also be provided. When one of these projects is used, the user
 should be able to use `composer require` and `composer update` on a Drupal site
-immediately after untarring the downloaded archive.
+immediately after extracting the downloaded archive.
 
 Note that the dependencies of a Drupal site are only able to scaffold files if
 explicitly granted that right in the top-level composer.json file. See
diff --git a/core/lib/Drupal/Core/Cache/CacheCollector.php b/core/lib/Drupal/Core/Cache/CacheCollector.php
index 5250e1b049a7c7fa68823e4b4fbba50d4a200595..e713d16a762e1be415090fa17d1c45f3bd726ebe 100644
--- a/core/lib/Drupal/Core/Cache/CacheCollector.php
+++ b/core/lib/Drupal/Core/Cache/CacheCollector.php
@@ -187,7 +187,7 @@ public function delete($key) {
    *   The key that was requested.
    * @param bool $persist
    *   (optional) Whether the offset should be persisted or not, defaults to
-   *   TRUE. When called with $persist = FALSE the offset will be unflagged so
+   *   TRUE. When called with $persist = FALSE the offset will be un-flagged so
    *   that it will not be written at the end of the request.
    */
   protected function persist($key, $persist = TRUE) {
diff --git a/core/lib/Drupal/Core/Database/Database.php b/core/lib/Drupal/Core/Database/Database.php
index c641ac203ded3843e1f23ef625ca5cfb86f4b829..b7fd9ed419c478b379ae8bcdeea307d69cc88cfa 100644
--- a/core/lib/Drupal/Core/Database/Database.php
+++ b/core/lib/Drupal/Core/Database/Database.php
@@ -11,9 +11,9 @@
 /**
  * Primary front-controller for the database system.
  *
- * This class is uninstantiatable and un-extendable. It acts to encapsulate
- * all control and shepherding of database connections into a single location
- * without the use of globals.
+ * This class is un-extendable. It acts to encapsulate all control and
+ * shepherding of database connections into a single location without the use of
+ * globals.
  */
 abstract class Database {
 
diff --git a/core/lib/Drupal/Core/Mail/MailFormatHelper.php b/core/lib/Drupal/Core/Mail/MailFormatHelper.php
index 7626736ad81f5726c8fccc73fcd6ba33e1313eb3..87726dec3d864e5cbe3254df3114d8089cac2111 100644
--- a/core/lib/Drupal/Core/Mail/MailFormatHelper.php
+++ b/core/lib/Drupal/Core/Mail/MailFormatHelper.php
@@ -308,7 +308,7 @@ protected static function wrapMailLine(&$line, $key, $values) {
       }
     }
     if (!$line_is_mime_header) {
-      // Use soft-breaks only for purely quoted or unindented text.
+      // Use soft-breaks only for purely quoted or un-indented text.
       $line = wordwrap($line, 77 - $values['length'], $values['soft'] ? " \n" : "\n");
     }
     // Break really long words at the maximum width allowed.
diff --git a/core/lib/Drupal/Core/Queue/Memory.php b/core/lib/Drupal/Core/Queue/Memory.php
index ba9d2494dbe7d9d6526a9b7f9d040d195a211e8e..a7e421a145f781b954049cfc1d951ee413993577 100644
--- a/core/lib/Drupal/Core/Queue/Memory.php
+++ b/core/lib/Drupal/Core/Queue/Memory.php
@@ -5,7 +5,7 @@
 /**
  * Static queue implementation.
  *
- * This allows "undelayed" variants of processes relying on the Queue
+ * This allows "un-delayed" variants of processes relying on the Queue
  * interface. The queue data resides in memory. It should only be used for
  * items that will be queued and dequeued within a given page request.
  *
diff --git a/core/lib/Drupal/Core/Render/Element/Link.php b/core/lib/Drupal/Core/Render/Element/Link.php
index adbd38584a23bf740a1653cae40fff10031aa4e5..b84a1b6ab5a4a46c4a0bcd8ea492ff8ab14a2c3b 100644
--- a/core/lib/Drupal/Core/Render/Element/Link.php
+++ b/core/lib/Drupal/Core/Render/Element/Link.php
@@ -112,7 +112,7 @@ public static function preRenderLink($element) {
    *
    * This method can be added as a pre_render callback for a renderable array,
    * usually one which will be themed by links.html.twig. It iterates through
-   * all unrendered children of the element, collects any #links properties it
+   * all un-rendered children of the element, collects any #links properties it
    * finds, merges them into the parent element's #links array, and prevents
    * those children from being rendered separately.
    *
diff --git a/core/misc/cspell/dictionary.txt b/core/misc/cspell/dictionary.txt
index f64a551e12841c0c8806979db918ea6addb4a3b4..8785df0da9e157a2d66fb71f9cac4eb51288bf68 100644
--- a/core/misc/cspell/dictionary.txt
+++ b/core/misc/cspell/dictionary.txt
@@ -884,8 +884,6 @@ typehints
 tzid
 uids
 ulwa
-unaliased
-unallowed
 unassigning
 unassigns
 unban
@@ -895,39 +893,24 @@ uncacheable
 uncategorized
 unclickable
 uncollapsible
-unconfigured
-undelayed
 undoable
-undraggable
-unextracted
 unfieldable
-unflagged
 ungenerated
 ungroup
 ungroupable
-unhashed
-unhides
-unindented
 unindexed
 uninstallation
 uninstallations
-uninstantiatable
-uninstantiated
-unixepoch
-unkeyed
 unmanaged
-unmatch
 unminified
 unmoderated
 unparseable
-unpreloaded
 unpromote
 unpromoted
 unpublish
 unpublishes
 unpublishing
 unregisters
-unrendered
 unrevisionable
 unrouted
 unsanitized
@@ -937,12 +920,8 @@ unserializes
 unserializing
 unsets
 unsetting
-unshortened
-unsimplified
 unsticky
 untabbable
-untarring
-untrustable
 unvalidated
 unwrapper
 upcasted
diff --git a/core/misc/tabledrag.js b/core/misc/tabledrag.js
index c50de1ff3b84310c0733b68d5ed00e1b153879f0..7d261371449cdc7c63e6aa83e18a4464fcb67b85 100644
--- a/core/misc/tabledrag.js
+++ b/core/misc/tabledrag.js
@@ -608,7 +608,7 @@
               previousRow.matches('.draggable')
             ) {
               // Swap with the previous row (unless previous row is the first
-              // one and undraggable).
+              // one and un-draggable).
               self.rowObject.swap('before', previousRow);
               self.rowObject.interval = null;
               self.rowObject.indent(0);
diff --git a/core/modules/ckeditor5/tests/src/FunctionalJavascript/ImageTestBase.php b/core/modules/ckeditor5/tests/src/FunctionalJavascript/ImageTestBase.php
index 9cfabd27433fb1a0c977fec6e7aa4fc6687d5ccb..a30b9ce9f6559e2e94f27cc7b7cb6bfdcf151f41 100644
--- a/core/modules/ckeditor5/tests/src/FunctionalJavascript/ImageTestBase.php
+++ b/core/modules/ckeditor5/tests/src/FunctionalJavascript/ImageTestBase.php
@@ -125,7 +125,7 @@ public function testAttributeRetentionDuringUpcasting() {
           "<p>$img_tag</p>",
           $expected_upcast_behavior_when_wrapped_in_block_element === 'inline' ? "<p>$img_tag</p>" : $img_tag,
         ],
-        // Image tag wrapped with an unallowed paragraph-like element (<div).
+        // Image tag wrapped with a disallowed paragraph-like element (<div).
         // When inline is the expected upcast behavior, it will wrap in <p>
         // because it still must wrap in a paragraph-like element, and <p> is
         // available to be that element.
diff --git a/core/modules/filter/src/FilterFormatFormBase.php b/core/modules/filter/src/FilterFormatFormBase.php
index 00e8bdf157926ebcb0a04728b9e3f77d15190000..7ff00b89de3315c6c7a1502977158ce300de45bd 100644
--- a/core/modules/filter/src/FilterFormatFormBase.php
+++ b/core/modules/filter/src/FilterFormatFormBase.php
@@ -61,7 +61,7 @@ public function form(array $form, FormStateInterface $form_state) {
     }
 
     // Create filter plugin instances for all available filters, including both
-    // enabled/configured ones as well as new and not yet unconfigured ones.
+    // enabled/configured ones as well as new and not yet configured ones.
     $filters = $format->filters();
     foreach ($filters as $filter_id => $filter) {
       // When a filter is missing, it is replaced by the null filter. Remove it
diff --git a/core/modules/layout_builder/src/Plugin/Field/FieldType/LayoutSectionItem.php b/core/modules/layout_builder/src/Plugin/Field/FieldType/LayoutSectionItem.php
index 70acc59b3409ba986fe4285b06d34b54c4c89db2..a132c8234cb24f734fe14565a18df7d30fe699cf 100644
--- a/core/modules/layout_builder/src/Plugin/Field/FieldType/LayoutSectionItem.php
+++ b/core/modules/layout_builder/src/Plugin/Field/FieldType/LayoutSectionItem.php
@@ -44,7 +44,7 @@ public static function propertyDefinitions(FieldStorageDefinitionInterface $fiel
    */
   public function __get($name) {
     // @todo \Drupal\Core\Field\FieldItemBase::__get() does not return default
-    //   values for uninstantiated properties. This will forcibly instantiate
+    //   values for un-instantiated properties. This will forcibly instantiate
     //   all properties with the side-effect of a performance hit, resolve
     //   properly in https://www.drupal.org/node/2413471.
     $this->getProperties();
diff --git a/core/modules/locale/tests/src/Kernel/LocaleStringIsSafeTest.php b/core/modules/locale/tests/src/Kernel/LocaleStringIsSafeTest.php
index 75a3734e200f879bd3e446ead429073c047f2fc2..9e47cbe1d606d337aaaf63ea04baa982e7b89d96 100644
--- a/core/modules/locale/tests/src/Kernel/LocaleStringIsSafeTest.php
+++ b/core/modules/locale/tests/src/Kernel/LocaleStringIsSafeTest.php
@@ -32,8 +32,8 @@ public function testLocaleStringIsSafe() {
     $result = locale_string_is_safe($string);
     $this->assertTrue($result);
 
-    // Check an untranslatable string which includes untrustable HTML (according
-    // to the locale_string_is_safe() function definition).
+    // Check an untranslatable string which includes unsafe HTML (according to
+    // the locale_string_is_safe() function definition).
     $string = 'Hello <img src="world.png" alt="world" />!';
     $result = locale_string_is_safe($string);
     $this->assertFalse($result);
diff --git a/core/modules/menu_ui/tests/src/Functional/MenuUiNodeTest.php b/core/modules/menu_ui/tests/src/Functional/MenuUiNodeTest.php
index f0e757312fccac15c65962aca3ca844a9d2cdf42..6cdfc690011794789f439a2aee8cc75f13944f5a 100644
--- a/core/modules/menu_ui/tests/src/Functional/MenuUiNodeTest.php
+++ b/core/modules/menu_ui/tests/src/Functional/MenuUiNodeTest.php
@@ -277,7 +277,7 @@ public function testMenuNodeFormWidget() {
     // Assert that it is not possible to set the parent of the first node to itself or the second node.
     $this->assertSession()->optionNotExists('edit-menu-menu-parent', 'tools:' . $item->getPluginId());
     $this->assertSession()->optionNotExists('edit-menu-menu-parent', 'tools:' . $child_item->getPluginId());
-    // Assert that unallowed Administration menu is not available in options.
+    // Assert that disallowed Administration menu is not available in options.
     $this->assertSession()->optionNotExists('edit-menu-menu-parent', 'admin:');
   }
 
diff --git a/core/modules/migrate/src/Plugin/MigrateIdMapInterface.php b/core/modules/migrate/src/Plugin/MigrateIdMapInterface.php
index e224dae4787dcf5ab25a6daa2ceb9bfb34d64e36..569428d2759d81d37febc043a55da984ece8867f 100644
--- a/core/modules/migrate/src/Plugin/MigrateIdMapInterface.php
+++ b/core/modules/migrate/src/Plugin/MigrateIdMapInterface.php
@@ -251,7 +251,7 @@ public function lookupSourceId(array $destination_id_values);
    *
    * @param array $source_id_values
    *   The source identifier keyed values of the records, e.g. ['nid' => 5].
-   *   If unkeyed, the first count($source_id_values) keys will be assumed.
+   *   If un-keyed, the first count($source_id_values) keys will be assumed.
    *
    * @return array
    *   An array of arrays of destination identifier values.
diff --git a/core/modules/path/src/PathAliasListBuilder.php b/core/modules/path/src/PathAliasListBuilder.php
index 3b41c51c7d9c897bde02283ea7fd834c392f0c25..76e9d47d5e35113da7b887c3463602e14c639fdc 100644
--- a/core/modules/path/src/PathAliasListBuilder.php
+++ b/core/modules/path/src/PathAliasListBuilder.php
@@ -171,7 +171,7 @@ public function buildRow(EntityInterface $entity) {
       '#url' => $url,
     ];
 
-    // Create a new URL for linking to the unaliased system path.
+    // Create a new URL for linking to the un-aliased system path.
     $system_url = Url::fromUri("base:{$path}");
     $row['data']['path']['data'] = [
       '#type' => 'link',
diff --git a/core/modules/path_alias/tests/src/Unit/AliasManagerTest.php b/core/modules/path_alias/tests/src/Unit/AliasManagerTest.php
index 2a52e3e719d463a450b127fec09dc0de450d317c..0a2326fbe906fba9bf86d633569d3055a43cfc56 100644
--- a/core/modules/path_alias/tests/src/Unit/AliasManagerTest.php
+++ b/core/modules/path_alias/tests/src/Unit/AliasManagerTest.php
@@ -399,7 +399,7 @@ public function testGetAliasByPathCachedMissNoAlias() {
   }
 
   /**
-   * Tests the getAliasByPath cache with an unpreloaded path without alias.
+   * Tests the getAliasByPath cache with an un-preloaded path without alias.
    *
    * @covers ::getAliasByPath
    * @covers ::writeCache
@@ -483,7 +483,7 @@ public function testCacheClear() {
   }
 
   /**
-   * Tests the getAliasByPath cache with an unpreloaded path with alias.
+   * Tests the getAliasByPath cache with an un-preloaded path with alias.
    *
    * @covers ::getAliasByPath
    * @covers ::writeCache
diff --git a/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php b/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
index 3ad10537b5ac40b240f3abc77d314300fa439ace..23f2f5ba918896b83c0503507a64cdc0d3b7442b 100644
--- a/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
+++ b/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
@@ -451,14 +451,14 @@ public function testGet() {
 
     $request_options[RequestOptions::HEADERS]['REST-test-auth'] = '1';
 
-    // DX: 403 when attempting to use unallowed authentication provider.
+    // DX: 403 when attempting to use disallowed authentication provider.
     $response = $this->request('GET', $url, $request_options);
     $this->assertResourceErrorResponse(403, 'The used authentication method is not allowed on this route.', $response);
 
     unset($request_options[RequestOptions::HEADERS]['REST-test-auth']);
     $request_options[RequestOptions::HEADERS]['REST-test-auth-global'] = '1';
 
-    // DX: 403 when attempting to use unallowed global authentication provider.
+    // DX: 403 when attempting to use disallowed global authentication provider.
     $response = $this->request('GET', $url, $request_options);
     $this->assertResourceErrorResponse(403, 'The used authentication method is not allowed on this route.', $response);
 
diff --git a/core/modules/search/tests/src/Kernel/SearchExcerptTest.php b/core/modules/search/tests/src/Kernel/SearchExcerptTest.php
index 2c2bc79001ea361cb3e32c305a64a28121e7dc0d..5fbf7562fd4d319a52221b0ce3aeb75927117ed5 100644
--- a/core/modules/search/tests/src/Kernel/SearchExcerptTest.php
+++ b/core/modules/search/tests/src/Kernel/SearchExcerptTest.php
@@ -72,7 +72,8 @@ public function testSearchExcerpt() {
    *
    * Excerpting should handle keywords that are matched only after going through
    * text analysis. This test passes keywords that match simplified words
-   * and compares them with strings that contain the original unsimplified word.
+   * and compares them with strings that contain the original un-simplified
+   * word.
    */
   public function testSearchExcerptSimplified() {
     $start_time = microtime(TRUE);
diff --git a/core/modules/update/update.api.php b/core/modules/update/update.api.php
index 18ff68f9d0c56388956527b8e4d02cffd3b5e302..ba8617df4f94c6b98a2f09c29f123ad3a4d29c58 100644
--- a/core/modules/update/update.api.php
+++ b/core/modules/update/update.api.php
@@ -110,7 +110,7 @@ function hook_update_status_alter(&$projects) {
  * @param string $project
  *   The short name of the project that has been downloaded.
  * @param string $archive_file
- *   The filename of the unextracted archive.
+ *   The filename of the un-extracted archive.
  * @param string $directory
  *   The directory that the archive was extracted into.
  *
diff --git a/core/modules/update/update.manager.inc b/core/modules/update/update.manager.inc
index ca44f20ad93967f72b390b2155b1b1e6dd201c35..a0c2259661d6cf27c0bce848ef4d75e7b034c962 100644
--- a/core/modules/update/update.manager.inc
+++ b/core/modules/update/update.manager.inc
@@ -193,7 +193,7 @@ function update_manager_archive_extract($file, $directory) {
  * @param string $project
  *   The short name of the project to download.
  * @param string $archive_file
- *   The filename of the unextracted archive.
+ *   The filename of the un-extracted archive.
  * @param string $directory
  *   The directory that the archive was extracted into.
  *
diff --git a/core/modules/user/src/UserInterface.php b/core/modules/user/src/UserInterface.php
index 51c7601a7923f86a82a698bfc6d1d2443472bfcb..bb69884c886ce36939d7be82c028cd4f14cf6d3e 100644
--- a/core/modules/user/src/UserInterface.php
+++ b/core/modules/user/src/UserInterface.php
@@ -107,7 +107,7 @@ public function getPassword();
    * Sets the user password.
    *
    * @param string $password
-   *   The new unhashed password.
+   *   The new un-hashed password.
    *
    * @return $this
    *   The called user entity.
diff --git a/core/modules/user/user.module b/core/modules/user/user.module
index f68fabe0d41a345bfae34598758e2c9cb4344ec4..8ee98349b87c1aadf007d084db77f9be3911bfa3 100644
--- a/core/modules/user/user.module
+++ b/core/modules/user/user.module
@@ -382,7 +382,7 @@ function template_preprocess_username(&$variables) {
   }
 
   // Set the name to a formatted name that is safe for printing and
-  // that won't break tables by being too long. Keep an unshortened,
+  // that won't break tables by being too long. Keep an un-shortened,
   // unsanitized version, in case other preprocess functions want to implement
   // their own shortening logic or add markup. If they do so, they must ensure
   // that $variables['name'] is safe for printing.
diff --git a/core/modules/views/src/Plugin/views/query/Sql.php b/core/modules/views/src/Plugin/views/query/Sql.php
index c0f9c8867f219521768725f316fcc6df94937dd9..af57e33ec48e9b864c5fe7dc28f7d2496596ee3b 100644
--- a/core/modules/views/src/Plugin/views/query/Sql.php
+++ b/core/modules/views/src/Plugin/views/query/Sql.php
@@ -581,7 +581,7 @@ protected function markTable($table, $relationship, $alias) {
    * table.
    *
    * @param $table
-   *   The unaliased name of the table to ensure.
+   *   The un-aliased name of the table to ensure.
    * @param $relationship
    *   The relationship to ensure the table links to. Each relationship will
    *   get a unique instance of the table being added. If not specified,
diff --git a/core/modules/views/src/Plugin/views/query/SqliteDateSql.php b/core/modules/views/src/Plugin/views/query/SqliteDateSql.php
index db7fc4a6cc09fa061449a03eb8e9889c5f843bb8..b93b29ae356f258069cc4cab00023b3dc5b33900 100644
--- a/core/modules/views/src/Plugin/views/query/SqliteDateSql.php
+++ b/core/modules/views/src/Plugin/views/query/SqliteDateSql.php
@@ -5,6 +5,8 @@
 use Drupal\Core\Database\Connection;
 use Drupal\Core\DependencyInjection\DependencySerializationTrait;
 
+// cspell:ignore unixepoch
+
 /**
  * SQLite-specific date handling.
  *
diff --git a/core/modules/views/tests/src/Unit/Plugin/views/query/SqliteDateSqlTest.php b/core/modules/views/tests/src/Unit/Plugin/views/query/SqliteDateSqlTest.php
index e2406750a79339b4761565b94363a7626bcf54fb..b7bc31f0557d884988f4fd3c4f26c693fe876dd0 100644
--- a/core/modules/views/tests/src/Unit/Plugin/views/query/SqliteDateSqlTest.php
+++ b/core/modules/views/tests/src/Unit/Plugin/views/query/SqliteDateSqlTest.php
@@ -8,6 +8,8 @@
 use Drupal\Tests\UnitTestCase;
 use Drupal\views\Plugin\views\query\SqliteDateSql;
 
+// cspell:ignore unixepoch
+
 /**
  * Tests the MySQL-specific date query handler.
  *
diff --git a/core/tests/Drupal/BuildTests/Composer/Template/ComposerProjectTemplatesTest.php b/core/tests/Drupal/BuildTests/Composer/Template/ComposerProjectTemplatesTest.php
index dc0285bf9f114e07bd9724a0075d9a17c19b9662..a3420045751c73f9e493ff9a399e0749bfc63276 100644
--- a/core/tests/Drupal/BuildTests/Composer/Template/ComposerProjectTemplatesTest.php
+++ b/core/tests/Drupal/BuildTests/Composer/Template/ComposerProjectTemplatesTest.php
@@ -251,7 +251,7 @@ public function testTemplateCreateProject($project, $package_dir, $docroot_dir)
     $this->assertCommandSuccessful();
     // Check the output of the project creation for the absence of warnings
     // about any non-allowed composer plugins.
-    // Note: There are different warnings for unallowed composer plugins
+    // Note: There are different warnings for disallowed composer plugins
     // depending on running in non-interactive mode or not. It seems the Drupal
     // CI environment always forces composer commands to run in the
     // non-interactive mode. The only thing these messages have in common is the
diff --git a/core/tests/Drupal/Tests/Component/Utility/XssTest.php b/core/tests/Drupal/Tests/Component/Utility/XssTest.php
index 2cf89d233e6aa1656a09ae1b1386dd5a414f2c4b..0f242959ebee394b88680254ab87dd8248625ecf 100644
--- a/core/tests/Drupal/Tests/Component/Utility/XssTest.php
+++ b/core/tests/Drupal/Tests/Component/Utility/XssTest.php
@@ -567,7 +567,7 @@ public function providerTestAttributes() {
   }
 
   /**
-   * Checks that \Drupal\Component\Utility\Xss::filterAdmin() correctly strips unallowed tags.
+   * Checks that \Drupal\Component\Utility\Xss::filterAdmin() correctly strips disallowed tags.
    */
   public function testFilterXSSAdmin() {
     $value = Xss::filterAdmin('<style /><iframe /><frame /><frameset /><meta /><link /><embed /><applet /><param /><layer />');
diff --git a/core/themes/claro/js/tableselect.js b/core/themes/claro/js/tableselect.js
index b4024384b6fe8664713e3b1e34f3621ddb0c3a35..1e26113703e57019b18f1387f92598df33a82f06 100644
--- a/core/themes/claro/js/tableselect.js
+++ b/core/themes/claro/js/tableselect.js
@@ -123,8 +123,9 @@
         '[data-drupal-table-row-spacer] { display: none; }';
 
       if (!this.ignoreScrollEvent) {
-        // Remove the timeout that unhides the spacer. If this function is called,
-        // then scrolling is still happening and spacers should stay hidden.
+        // Remove the timeout that un-hides the spacer. If this function is
+        // called, then scrolling is still happening and spacers should stay
+        // hidden.
         clearTimeout(this.scrollingTimeout);
 
         // Shortly after scrolling tops, the spacer is re-added.