diff --git a/core/modules/block_content/src/Entity/BlockContent.php b/core/modules/block_content/src/Entity/BlockContent.php
index bab5cd8f9b9d..046640c18949 100644
--- a/core/modules/block_content/src/Entity/BlockContent.php
+++ b/core/modules/block_content/src/Entity/BlockContent.php
@@ -18,8 +18,8 @@ use Drupal\block_content\BlockContentInterface;
  *
  * @ContentEntityType(
  *   id = "block_content",
- *   label = @Translation("Custom Block"),
- *   bundle_label = @Translation("Custom Block type"),
+ *   label = @Translation("Custom block"),
+ *   bundle_label = @Translation("Custom block type"),
  *   handlers = {
  *     "storage" = "Drupal\Core\Entity\Sql\SqlContentEntityStorage",
  *     "storage_schema" = "Drupal\block_content\BlockContentStorageSchema",
diff --git a/core/modules/block_content/src/Tests/BlockContentListTest.php b/core/modules/block_content/src/Tests/BlockContentListTest.php
index 57c9d2776fa0..03b60e37056b 100644
--- a/core/modules/block_content/src/Tests/BlockContentListTest.php
+++ b/core/modules/block_content/src/Tests/BlockContentListTest.php
@@ -107,7 +107,7 @@ class BlockContentListTest extends BlockContentTestBase {
     $this->assertNoFieldByXpath('//td', $new_label, 'No label found for deleted custom block.');
 
     // Confirm that the empty text is displayed.
-    $this->assertText(t('There is no Custom Block yet.'));
+    $this->assertText(t('There is no Custom block yet.'));
   }
 
 }