diff --git a/core/lib/Drupal/Core/FileTransfer/FTP.php b/core/lib/Drupal/Core/FileTransfer/FTP.php
index 342660a..bc90f1c 100644
--- a/core/lib/Drupal/Core/FileTransfer/FTP.php
+++ b/core/lib/Drupal/Core/FileTransfer/FTP.php
@@ -8,7 +8,7 @@
 namespace Drupal\Core\FileTransfer;
 
 /**
- * Defines the base class for FTP implementations.
+ * Represents the base class for FTP implementations.
  */
 abstract class FTP extends FileTransfer {
 
diff --git a/core/lib/Drupal/Core/FileTransfer/FTPExtension.php b/core/lib/Drupal/Core/FileTransfer/FTPExtension.php
index 39465ba..7d5a8d0 100644
--- a/core/lib/Drupal/Core/FileTransfer/FTPExtension.php
+++ b/core/lib/Drupal/Core/FileTransfer/FTPExtension.php
@@ -8,7 +8,7 @@
 namespace Drupal\Core\FileTransfer;
 
 /**
- * Defines a file transfer class using the PHP FTP extension.
+ * Represents a file transfer class using the PHP FTP extension.
  */
 class FTPExtension extends FTP implements ChmodInterface {
 
diff --git a/core/lib/Drupal/Core/FileTransfer/FileTransfer.php b/core/lib/Drupal/Core/FileTransfer/FileTransfer.php
index 823e17e..da5bb44 100644
--- a/core/lib/Drupal/Core/FileTransfer/FileTransfer.php
+++ b/core/lib/Drupal/Core/FileTransfer/FileTransfer.php
@@ -11,7 +11,7 @@
 use RecursiveDirectoryIterator;
 
 /**
- * Defines the base FileTransfer class.
+ * Represents the base FileTransfer class.
  *
  * Classes extending this class perform file operations on directories not
  * writable by the webserver. To achieve this, the class should connect back
diff --git a/core/lib/Drupal/Core/FileTransfer/FileTransferException.php b/core/lib/Drupal/Core/FileTransfer/FileTransferException.php
index bc32af8..25376cc 100644
--- a/core/lib/Drupal/Core/FileTransfer/FileTransferException.php
+++ b/core/lib/Drupal/Core/FileTransfer/FileTransferException.php
@@ -10,7 +10,7 @@
 use RuntimeException;
 
 /**
- * FileTransferException class.
+ * Represents the FileTransferException class.
  */
 class FileTransferException extends RuntimeException {
 
diff --git a/core/lib/Drupal/Core/FileTransfer/Local.php b/core/lib/Drupal/Core/FileTransfer/Local.php
index 92ddcd9..1406e24 100644
--- a/core/lib/Drupal/Core/FileTransfer/Local.php
+++ b/core/lib/Drupal/Core/FileTransfer/Local.php
@@ -11,7 +11,7 @@
 use RecursiveDirectoryIterator;
 
 /**
- * Defines the local connection class for copying files as the httpd user.
+ * Represents the local connection class for copying files as the httpd user.
  */
 class Local extends FileTransfer implements ChmodInterface {
 
diff --git a/core/lib/Drupal/Core/FileTransfer/SSH.php b/core/lib/Drupal/Core/FileTransfer/SSH.php
index c1bf991..3a606f7 100644
--- a/core/lib/Drupal/Core/FileTransfer/SSH.php
+++ b/core/lib/Drupal/Core/FileTransfer/SSH.php
@@ -8,7 +8,7 @@
 namespace Drupal\Core\FileTransfer;
 
 /**
- * The SSH connection class for the update module.
+ * Handles file transfers via SSH.
  */
 class SSH extends FileTransfer implements ChmodInterface {