diff --git a/core/modules/block/lib/Drupal/block/Plugin/Type/BlockManager.php b/core/modules/block/lib/Drupal/block/Plugin/Type/BlockManager.php
index 2cc3de1..bbea53f 100644
--- a/core/modules/block/lib/Drupal/block/Plugin/Type/BlockManager.php
+++ b/core/modules/block/lib/Drupal/block/Plugin/Type/BlockManager.php
@@ -23,7 +23,7 @@
 class BlockManager extends DefaultPluginManager {
 
   /**
-   * Array of all available modules and their data.
+   * An array of all available modules and their data.
    *
    * @var array
    */
@@ -71,13 +71,14 @@ public function processDefinition(&$definition, $plugin_id) {
   }
 
   /**
-   * Gets the human-readable name of the module.
+   * Gets the name of the module.
    *
    * @param string $module
    *   The machine name of a module.
    *
    * @return string
-   *   The human-readable name of the module.
+   *   The human-readable module name if it exists, otherwise the
+   *   machine-readable module name.
    */
   protected function getModuleName($module) {
     // Gather module data.