diff --git a/core/modules/file/src/FileUsage/FileUsageInterface.php b/core/modules/file/src/FileUsage/FileUsageInterface.php
index 6acda42..f31f760 100644
--- a/core/modules/file/src/FileUsage/FileUsageInterface.php
+++ b/core/modules/file/src/FileUsage/FileUsageInterface.php
@@ -25,8 +25,8 @@
    *   The name of the module using the file.
    * @param string $type
    *   The type of the object that contains the referenced file.
-   * @param int $id
-   *   The unique, numeric ID of the object containing the referenced file.
+   * @param string $id
+   *   The unique ID of the object containing the referenced file.
    * @param int $count
    *   (optional) The number of references to add to the object. Defaults to 1.
    */
@@ -43,10 +43,10 @@ public function add(FileInterface $file, $module, $type, $id, $count = 1);
    *   (optional) The type of the object that contains the referenced file. May
    *   be omitted if all module references to a file are being deleted. Defaults
    *   to NULL.
-   * @param int $id
-   *   (optional) The unique, numeric ID of the object containing the referenced
-   *   file. May be omitted if all module references to a file are being
-   *   deleted. Defaults to NULL.
+   * @param string $id
+   *   (optional) The unique ID of the object containing the referenced file.
+   *   May be omitted if all module references to a file are being deleted.
+   *   Defaults to NULL.
    * @param int $count
    *   (optional) The number of references to delete from the object. Defaults
    *   to 1. Zero may be specified to delete all references to the file within a