diff --git a/core/lib/Drupal/Core/Entity/EntityDefinitionUpdateManager.php b/core/lib/Drupal/Core/Entity/EntityDefinitionUpdateManager.php
index 5efc77b..4f92c8a 100644
--- a/core/lib/Drupal/Core/Entity/EntityDefinitionUpdateManager.php
+++ b/core/lib/Drupal/Core/Entity/EntityDefinitionUpdateManager.php
@@ -8,7 +8,7 @@
 namespace Drupal\Core\Entity;
 
 use Drupal\Core\Entity\Schema\EntityStorageSchemaInterface;
-use Drupal\Core\Entity\Schema\FieldableEntityStorageSchemaInterface;
+use Drupal\Core\Entity\Schema\DynamicallyFieldableEntityStorageSchemaInterface;
 use Drupal\Core\Field\FieldStorageDefinitionInterface;
 use Drupal\Core\StringTranslation\StringTranslationTrait;
 
@@ -238,7 +238,7 @@ protected function requiresEntityStorageSchemaChanges(EntityTypeInterface $entit
    */
   protected function requiresFieldStorageSchemaChanges(FieldStorageDefinitionInterface $storage_definition, FieldStorageDefinitionInterface $original) {
     $storage = $this->entityManager->getStorage($storage_definition->getTargetEntityTypeId());
-    return ($storage instanceof FieldableEntityStorageSchemaInterface) && $storage->requiresFieldStorageSchemaChanges($storage_definition, $original);
+    return ($storage instanceof DynamicallyFieldableEntityStorageSchemaInterface) && $storage->requiresFieldStorageSchemaChanges($storage_definition, $original);
   }
 
 }
diff --git a/core/lib/Drupal/Core/Entity/Schema/FieldableEntityStorageSchemaInterface.php b/core/lib/Drupal/Core/Entity/Schema/DynamicallyFieldableEntityStorageSchemaInterface.php
similarity index 83%
rename from core/lib/Drupal/Core/Entity/Schema/FieldableEntityStorageSchemaInterface.php
rename to core/lib/Drupal/Core/Entity/Schema/DynamicallyFieldableEntityStorageSchemaInterface.php
index c20d9d1..59272f8 100644
--- a/core/lib/Drupal/Core/Entity/Schema/FieldableEntityStorageSchemaInterface.php
+++ b/core/lib/Drupal/Core/Entity/Schema/DynamicallyFieldableEntityStorageSchemaInterface.php
@@ -2,7 +2,7 @@
 
 /**
  * @file
- * Contains \Drupal\Core\Entity\Schema\FieldableEntityStorageSchemaInterface.
+ * Contains \Drupal\Core\Entity\Schema\DynamicallyFieldableEntityStorageSchemaInterface.
  */
 
 namespace Drupal\Core\Entity\Schema;
@@ -11,9 +11,15 @@
 use Drupal\Core\Field\FieldStorageDefinitionListenerInterface;
 
 /**
- * Defines the interface for storage schema classes for fieldable entity types.
+ * A storage schema that supports entity types with dynamic field definitions.
+ *
+ * A storage schema that implements this interface can react to the entity
+ * type's field definitions changing, due to modules being installed or
+ * uninstalled, or via field UI, or via code changes to the entity class.
+ *
+ * For example, configurable fields defined and exposed by field.module.
  */
-interface FieldableEntityStorageSchemaInterface extends EntityStorageSchemaInterface, FieldStorageDefinitionListenerInterface {
+interface DynamicallyFieldableEntityStorageSchemaInterface extends EntityStorageSchemaInterface, FieldStorageDefinitionListenerInterface {
 
   /**
    * Checks if the changes to the storage definition requires schema changes.
diff --git a/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php b/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php
index 3136847..a8df532 100644
--- a/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php
+++ b/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php
@@ -19,7 +19,7 @@
 use Drupal\Core\Entity\EntityStorageException;
 use Drupal\Core\Entity\EntityTypeInterface;
 use Drupal\Core\Entity\Query\QueryInterface;
-use Drupal\Core\Entity\Schema\FieldableEntityStorageSchemaInterface;
+use Drupal\Core\Entity\Schema\DynamicallyFieldableEntityStorageSchemaInterface;
 use Drupal\Core\Field\FieldDefinitionInterface;
 use Drupal\Core\Field\FieldStorageDefinitionInterface;
 use Drupal\Core\Language\LanguageInterface;
@@ -39,7 +39,7 @@
  *
  * @ingroup entity_api
  */
-class SqlContentEntityStorage extends ContentEntityStorageBase implements SqlEntityStorageInterface, FieldableEntityStorageSchemaInterface, EntityBundleListenerInterface  {
+class SqlContentEntityStorage extends ContentEntityStorageBase implements SqlEntityStorageInterface, DynamicallyFieldableEntityStorageSchemaInterface, EntityBundleListenerInterface  {
 
   /**
    * The mapping of field columns to SQL tables.
diff --git a/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php b/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php
index de6910f..dac6584 100644
--- a/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php
+++ b/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php
@@ -14,7 +14,7 @@
 use Drupal\Core\Entity\EntityStorageException;
 use Drupal\Core\Entity\EntityTypeInterface;
 use Drupal\Core\Entity\Exception\FieldStorageDefinitionUpdateForbiddenException;
-use Drupal\Core\Entity\Schema\FieldableEntityStorageSchemaInterface;
+use Drupal\Core\Entity\Schema\DynamicallyFieldableEntityStorageSchemaInterface;
 use Drupal\Core\Field\FieldException;
 use Drupal\Core\Field\FieldStorageDefinitionInterface;
 use Drupal\field\FieldStorageConfigInterface;
@@ -27,7 +27,7 @@
  * optimizations and getSharedTableFieldSchema() for optimizations applying to
  * a single field.
  */
-class SqlContentEntityStorageSchema implements FieldableEntityStorageSchemaInterface {
+class SqlContentEntityStorageSchema implements DynamicallyFieldableEntityStorageSchemaInterface {
 
   /**
    * The entity manager.