diff --git a/core/lib/Drupal/Core/FileTransfer/ChmodInterface.php b/core/lib/Drupal/Core/FileTransfer/ChmodInterface.php
index d9035f7..c1c68cb 100644
--- a/core/lib/Drupal/Core/FileTransfer/ChmodInterface.php
+++ b/core/lib/Drupal/Core/FileTransfer/ChmodInterface.php
@@ -18,7 +18,7 @@ interface ChmodInterface {
    * @param string $path
    *   Path to change permissions of.
    * @param int $mode
-   *   See the $mode argument from http://php.net/chmod.
+   *   The new file permission mode to be passed to chmod().
    * @param bool $recursive
    *   Pass TRUE to recursively chmod the entire directory specified in $path.
    *
diff --git a/core/lib/Drupal/Core/FileTransfer/FileTransfer.php b/core/lib/Drupal/Core/FileTransfer/FileTransfer.php
index 78d69d0..337b0b3 100644
--- a/core/lib/Drupal/Core/FileTransfer/FileTransfer.php
+++ b/core/lib/Drupal/Core/FileTransfer/FileTransfer.php
@@ -136,7 +136,7 @@ abstract class FileTransfer {
    * @param string $path
    *   The file / directory to change the permissions of.
    * @param int $mode
-   *   See the $mode argument from http://php.net/chmod.
+   *   The new file permission mode to be passed to chmod().
    * @param bool $recursive
    *   Pass TRUE to recursively chmod the entire directory specified in $path.
    *