Issue #3261347 by noorulshameera, pflora, Johnny Santos, neclimdul, alexpott:...

Issue #3261347 by noorulshameera, pflora, Johnny Santos, neclimdul, alexpott: Incorrect EntityType::$label_count type documentation

(cherry picked from commit 2c91a94a)

core/lib/Drupal/Core/Entity/EntityType.php

@@ -200,9 +200,15 @@ class EntityType extends PluginDefinition implements EntityTypeInterface {
   /**
    * A definite singular/plural name of the type.
    *
-   * Needed keys: "singular" and "plural".
+   * Needed keys: "singular" and "plural". Can also have key: "context".
+   * @code
+   * [
+   *    'singular' => '@count entity',
+   *    'plural' => '@count entities',
+   *    'context' => 'Entity context',
+   * ]
    *
-   * @var string|\Drupal\Core\StringTranslation\TranslatableMarkup
+   * @var string[]
    *
    * @see \Drupal\Core\Entity\EntityTypeInterface::getCountLabel()
    */