diff --git a/core/modules/file/file.module b/core/modules/file/file.module
index b4c510a..8dc9be4 100644
--- a/core/modules/file/file.module
+++ b/core/modules/file/file.module
@@ -122,7 +122,7 @@ function file_load($fid, $reset = FALSE) {
  * Returns the file usage service.
  *
  * @return Drupal\file\FileUsage\FileUsageInterface.
- *   A file usage service.
+ *   The file usage service.
  */
 function file_usage() {
   return \Drupal::service('file.usage');
@@ -148,7 +148,7 @@ function file_usage() {
  * @param string $destination
  *   A string containing the destination that $source should be copied to.
  *   This must be a stream wrapper URI.
- * @param constant $replace
+ * @param int $replace
  *   Replace behavior when the destination file already exists:
  *   - FILE_EXISTS_REPLACE - Replace the existing file. If a managed file with
  *       the destination name exists then its database entry will be updated. If
@@ -224,7 +224,7 @@ function file_copy(File $source, $destination = NULL, $replace = FILE_EXISTS_REN
  * @param string $destination
  *   A string containing the destination that $source should be moved to.
  *   This must be a stream wrapper URI.
- * @param constant $replace
+ * @param int $replace
  *   Replace behavior when the destination file already exists:
  *   - FILE_EXISTS_REPLACE - Replace the existing file. If a managed file with
  *       the destination name exists then its database entry will be updated and
@@ -502,7 +502,7 @@ function file_validate_image_resolution(File $file, $maximum_dimensions = 0, $mi
  *   A string containing the destination URI. This must be a stream wrapper URI.
  *   If no value is provided, a randomized name will be generated and the file
  *   will be saved using Drupal's default files scheme, usually "public://".
- * @param constant $replace
+ * @param int $replace
  *   Replace behavior when the destination file already exists:
  *   - FILE_EXISTS_REPLACE - Replace the existing file. If a managed file with
  *       the destination name exists then its database entry will be updated. If
@@ -766,7 +766,7 @@ function file_cron() {
  *   files scheme will be used ("temporary://").
  * @param int $delta
  *   Delta of the file to save or NULL to save all files. Defaults to NULL.
- * @param constant $replace
+ * @param int $replace
  *   Replace behavior when the destination file already exists:
  *   - FILE_EXISTS_REPLACE: Replace the existing file.
  *   - FILE_EXISTS_RENAME: Append _{incrementing number} until the filename is
@@ -1477,7 +1477,7 @@ function file_managed_file_submit($form, &$form_state) {
 /**
  * Saves any files that have been uploaded into a managed_file element.
  *
- * @param managed_file $element
+ * @param array $element
  *   The FAPI element whose values are being saved.
  *
  * @return array
@@ -1499,7 +1499,7 @@ function file_managed_file_save_upload($element) {
 
   // Save attached files to the database.
   $files_uploaded = $element['#multiple'] && count(array_filter($_FILES['files']['name'][$upload_name])) > 0;
-  $files_uploaded |=!$element['#multiple'] && !empty($_FILES['files']['name'][$upload_name]);
+  $files_uploaded |= !$element['#multiple'] && !empty($_FILES['files']['name'][$upload_name]);
   if ($files_uploaded) {
     if (!$files = file_save_upload($upload_name, $element['#upload_validators'], $destination)) {
       watchdog('file', 'The file upload failed. %upload', array('%upload' => $upload_name));
@@ -1509,7 +1509,7 @@ function file_managed_file_save_upload($element) {
 
     // Value callback expects FIDs to be keys.
     $files = array_filter($files);
-    $fids = array_map(function($file) {
+    $fids = array_map(function ($file) {
       return $file->id();
     }, $files);
 
@@ -1859,7 +1859,7 @@ function file_icon_map(File $file) {
  * @param array $field
  *   (optional) A field array to be used for this check. If given, limits the
  *   reference check to the given field.
- * @param constant $age
+ * @param int $age
  *   (optional) A constant that specifies which references to count. Use
  *   EntityStorageControllerInterface::FIELD_LOAD_REVISION to retrieve all
  *   references within all revisions or