diff --git a/core/config/schema/core.data_types.schema.yml b/core/config/schema/core.data_types.schema.yml
index 4e83d2e..4bb686a 100644
--- a/core/config/schema/core.data_types.schema.yml
+++ b/core/config/schema/core.data_types.schema.yml
@@ -96,7 +96,7 @@ _core_config_info:
       label: 'Default configuration hash'
     dependency_resolved:
       type: boolean
-      label: 'Signals if a config entity has resolved its dependencies'
+      label: 'The config has resolved its dependencies'
 
 config_object:
   type: mapping
diff --git a/core/lib/Drupal/Core/Config/ConfigManager.php b/core/lib/Drupal/Core/Config/ConfigManager.php
index ef49b65..f11effd 100644
--- a/core/lib/Drupal/Core/Config/ConfigManager.php
+++ b/core/lib/Drupal/Core/Config/ConfigManager.php
@@ -305,6 +305,7 @@ public function getConfigEntitiesToChangeOnDependencyRemoval($type, array $names
    * {@inheritdoc}
    */
   public function getConfigEntitiesToChange($operation, $type, array $names, $dry_run = TRUE) {
+    // Dependency names as keys, entities as values.
     $names = $this->getNormalizedNames($type, $names);
     // Determine the current list of dependent configuration entities and set up
     // initial values.
@@ -399,7 +400,7 @@ public function getConfigCollectionInfo() {
    * dependencies on the entity.
    *
    * @param string $operation
-   *   Can be one of the ConfigManagerInterface constants: REMOVE, UPDATE.
+   *   One of the ConfigManagerInterface operation constants: REMOVE, UPDATE.
    * @param \Drupal\Core\Config\Entity\ConfigEntityInterface $entity
    *   The entity to call onDependencyRemoval() on.
    * @param \Drupal\Core\Config\Entity\ConfigEntityInterface[] $dependent_entities
diff --git a/core/lib/Drupal/Core/Config/ConfigManagerDependencyFinderInterface.php b/core/lib/Drupal/Core/Config/ConfigManagerDependencyFinderInterface.php
index e4f857e..5c49bde 100644
--- a/core/lib/Drupal/Core/Config/ConfigManagerDependencyFinderInterface.php
+++ b/core/lib/Drupal/Core/Config/ConfigManagerDependencyFinderInterface.php
@@ -27,11 +27,11 @@
    * @param array $names
    *   The specific names to check. If $type equals 'module' or 'theme' then it
    *   should be a list of module names or theme names. In the case of 'config'
-   *   or 'content' it should be a list of configuration dependency names. For
-   *   entity dependencies, the caller can, alternatively, pass the full entity
-   *   object instead of its dependency name. This is particularly useful when
-   *   the dependency gets updated and needs to send the whole entity so that
-   *   the dependant is able to access the fresh data from the entity.
+   *   or 'content' it should be a list of configuration dependency names or,
+   *   alternatively, the full entity objects. This is particularly useful when
+   *   the dependency gets updated and needs to send the whole updated entity to
+   *   the dependency resolver (onDependencyUpdating()), so that the dependant
+   *   is able to access fresh data.
    * @param bool $dry_run
    *   If set to FALSE the entities returned in the list of updates will be
    *   modified. In order to make the changes the caller needs to save them. If
@@ -41,7 +41,7 @@
    *   An array with the keys: 'update', 'delete' and 'unchanged'. The value of
    *   each is a list of configuration entities that need to have that action
    *   applied when the supplied dependencies are performing an operation such
-   *   as update ir remove. Updates need to be processed before deletes. The
+   *   as update or remove. Updates need to be processed before deletes. The
    *   order of the deletes is significant and must be processed in the returned
    *   order.
    *
diff --git a/core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php b/core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php
index b7a31fe..c1d082f 100644
--- a/core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php
+++ b/core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php
@@ -110,8 +110,8 @@
    * Keys:
    * - default_config_hash: A hash calculated by the config.installer service
    *   and added during installation.
-   * - dependency_resolved: Used during dependency resolving process. It's a
-   *   boolean set to TRUE when a dependency has been resolved.
+   * - dependency_resolved: A boolean set to TRUE when a dependency has been
+   *   resolved during the dependency resolving process.
    *
    * @var array
    */
@@ -357,7 +357,7 @@ public function preSave(EntityStorageInterface $storage) {
         throw new ConfigDuplicateUUIDException("Attempt to save a configuration entity '{$this->id()}' with UUID '{$this->uuid()}' when this entity already exists with UUID '{$original->uuid()}'");
       }
 
-      // Fix any dependencies.
+      // Fix any dependencies only on entity update.
       $config_entities = $this->getConfigManager()->getConfigEntitiesToChange(ConfigManagerInterface::UPDATE, 'config', [$this], FALSE);
       /** @var \Drupal\Core\Config\Entity\ConfigEntityInterface $dependent_entity */
       foreach ($config_entities['update'] as $dependent_entity) {
diff --git a/core/lib/Drupal/Core/Config/Entity/ConfigEntityDependencyResolverInterface.php b/core/lib/Drupal/Core/Config/Entity/ConfigEntityDependencyResolverInterface.php
index 45a7bef..1025540 100644
--- a/core/lib/Drupal/Core/Config/Entity/ConfigEntityDependencyResolverInterface.php
+++ b/core/lib/Drupal/Core/Config/Entity/ConfigEntityDependencyResolverInterface.php
@@ -20,9 +20,9 @@
    * Informs the entity that entities it depends on will be updated.
    *
    * This method allows configuration entities to update themselves when their
-   * dependencies get updated. For example, if 'format' config entity gets
-   * disabled, the paired 'editor' config entity can implement this method to
-   * disable itself.
+   * dependencies get updated. For example, if 'format' configuration entity
+   * gets disabled, the paired 'editor' config entity can implement this method
+   * to disable itself.
    *
    * If this method returns TRUE then the entity needs to be re-saved by the
    * caller for the changes to take effect. Implementations should not save the
@@ -33,7 +33,8 @@
    *   Dependency types are: 'module', 'theme', 'config', 'content'. Each type
    *   is an array keyed by dependency name. If the type is 'module' or 'theme',
    *   the values are module or theme names. In the case of 'config' or
-   *   'content' each array value is the full dependency entity.
+   *   'content' each array value is the full dependency entity. Implementations
+   *   can retrieve the dependencies updated data in passed entities.
    *
    * @return bool
    *   TRUE if the entity has changed, FALSE if not.
@@ -60,6 +61,7 @@ public function onDependencyUpdating(array $dependencies);
    *
    * @see \Drupal\Core\Config\ConfigManager::getConfigEntitiesToChange()
    * @see \Drupal\Core\Config\ConfigManager::callOnDependencyResolver()
+   * @see \Drupal\Core\Config\ConfigEntityBase::preSave()
    *
    * @todo Move this method in \Drupal\Core\Config\Entity\ConfigEntityInterface
    *   in Drupal 9.0.x.
@@ -67,9 +69,9 @@ public function onDependencyUpdating(array $dependencies);
   public function setDependencyResolved($resolved);
 
   /**
-   * Returns if an dependency entity has been resolved.
+   * Informs that a dependency entity has been resolved.
    *
-   * Tells the configuration dependency system that a config entity has been
+   * Informs the configuration dependency system that a config entity has been
    * just resolved.
    *
    * @return bool
diff --git a/core/modules/editor/src/Entity/Editor.php b/core/modules/editor/src/Entity/Editor.php
index 4777280..b200393 100644
--- a/core/modules/editor/src/Entity/Editor.php
+++ b/core/modules/editor/src/Entity/Editor.php
@@ -193,6 +193,8 @@ public function onDependencyUpdating(array $dependencies) {
 
     if (!empty($format = $dependencies['config'][$this->getFilterFormat()->getConfigDependencyName()])) {
       if (($status = $format->status()) !== $format->original->status()) {
+        // If the status of the text format has been changed, synchronize the
+        // status of the editor.
         $this->setStatus($status);
         $changed = TRUE;
       }
diff --git a/core/tests/Drupal/Tests/Core/Config/Entity/ConfigEntityBaseUnitTest.php b/core/tests/Drupal/Tests/Core/Config/Entity/ConfigEntityBaseUnitTest.php
index 44b2d62..1272e78 100644
--- a/core/tests/Drupal/Tests/Core/Config/Entity/ConfigEntityBaseUnitTest.php
+++ b/core/tests/Drupal/Tests/Core/Config/Entity/ConfigEntityBaseUnitTest.php
@@ -135,7 +135,7 @@ protected function setUp() {
     $container->set('config.typed', $this->typedConfigManager);
     $config_manager = $this->getMock(ConfigManagerDependencyFinderInterface::class);
     $config_manager->method('getConfigEntitiesToChange')
-      ->will($this->returnValue(['update' => []]));;
+      ->will($this->returnValue(['update' => [], 'delete' => [], 'unchanged' => []]));
     $container->set('config.manager', $config_manager);
     \Drupal::setContainer($container);