diff --git a/core/modules/comment/lib/Drupal/comment/CommentStatisticsInterface.php b/core/modules/comment/lib/Drupal/comment/CommentStatisticsInterface.php
index e2b2d93..dc6d9e8 100644
--- a/core/modules/comment/lib/Drupal/comment/CommentStatisticsInterface.php
+++ b/core/modules/comment/lib/Drupal/comment/CommentStatisticsInterface.php
@@ -26,20 +26,20 @@
   public function getRankingInfo();
 
   /**
-   * Read comment statistics records for an array of entities.
+   * Reads comment statistics records for an array of entities.
    *
    * @param \Drupal\Core\Entity\EntityInterface[] $entities
-   *   Array of entities on which commenting is enabled, keyed by id
+   *   Array of entities on which commenting is enabled, keyed by ID.
    * @param string $entity_type
    *   The entity type of the passed entities.
    *
-   * @return \StdClass[]
-   *   Array of statistics records keyed by entity id.
+   * @return object[]
+   *   Array of statistics records keyed by entity ID.
    */
   public function read($entities, $entity_type);
 
   /**
-   * Delete comment statistics records for an entity.
+   * Deletes comment statistics records for an entity.
    *
    * @param \Drupal\Core\Entity\EntityInterface $entity
    *   The entity for which comment statistics should be deleted.
@@ -47,7 +47,7 @@ public function read($entities, $entity_type);
   public function delete(EntityInterface $entity);
 
   /**
-   * Update or insert comment statistics records after a comment is added.
+   * Updates or inserts comment statistics records after a comment is added.
    *
    * @param \Drupal\comment\CommentInterface $comment
    *   The comment added or updated.
@@ -55,7 +55,7 @@ public function delete(EntityInterface $entity);
   public function update(CommentInterface $comment);
 
   /**
-   * Find the maximum number of comments for the given entity type.
+   * Finds the maximum number of comments for the given entity type.
    *
    * Used to influence search rankings.
    *
@@ -63,14 +63,14 @@ public function update(CommentInterface $comment);
    *   The entity type to consider when fetching the maximum comment count for.
    *
    * @return int
-   *   The maximum number of comments for and entity of the given type.
+   *   The maximum number of comments for an entity of the given type.
    *
    * @see comment_update_index()
    */
   public function getMaximumCount($entity_type = 'node');
 
   /**
-   * Insert an empty record for the given entity.
+   * Inserts an empty record for the given entity.
    *
    * @param \Drupal\Core\Entity\ContentEntityInterface $entity
    *   The created entity for which a statistics record is to be initialized.
diff --git a/core/modules/comment/lib/Drupal/comment/CommentStorageController.php b/core/modules/comment/lib/Drupal/comment/CommentStorageController.php
index 7ffbfa5..ba4f003 100644
--- a/core/modules/comment/lib/Drupal/comment/CommentStorageController.php
+++ b/core/modules/comment/lib/Drupal/comment/CommentStorageController.php
@@ -33,7 +33,7 @@ class CommentStorageController extends FieldableDatabaseStorageController implem
    * Constructs a CommentStorageController object.
    *
    * @param \Drupal\Core\Entity\EntityTypeInterface $entity_info
-   *   An array of entity info for the entity type.
+   *   The comment entity info.
    * @param \Drupal\Core\Database\Connection $database
    *   The database connection to be used.
    * @param \Drupal\field\FieldInfo $field_info
@@ -58,7 +58,6 @@ public static function createInstance(ContainerInterface $container, EntityTypeI
     );
   }
 
-
   /**
    * {@inheritdoc}
    */