diff --git a/core/modules/migrate/src/Plugin/migrate/process/FileCopy.php b/core/modules/migrate/src/Plugin/migrate/process/FileCopy.php
index 87b3d6a..25eb5b4 100644
--- a/core/modules/migrate/src/Plugin/migrate/process/FileCopy.php
+++ b/core/modules/migrate/src/Plugin/migrate/process/FileCopy.php
@@ -20,18 +20,19 @@
  * Optionally, the file can be moved, reused, or set to be automatically renamed
  * if a duplicate exists.
  *
- * The source value is an array of two values
- *   - source: The source path or URI, e.g. /path/to/foo.txt or
- *     public://bar.txt.
- *   - destination: The destination path or URI, e.g. /path/to/bar.txt or
- *     public://foo.txt.
+ * The source value is an array of two values:
+ * - source: The source path or URI, e.g. /path/to/foo.txt or
+ *   public://bar.txt.
+ * - destination: The destination path or URI, e.g. /path/to/bar.txt or
+ *   public://foo.txt.
  *
- * Available configuration keys
- *   - move: (optional) Boolean, if TRUE, move the file otherwise copy the file.
- *     Defaults to FALSE.
- *   - rename: (optional) Boolean, if TRUE, rename the file. Defaults to FALSE.
- *   - reuse: (optional) Boolean, if TRUE, file can be reused. Defaults to
- *     FALSE.
+ * Available configuration keys:
+ * - move: (optional) Boolean, if TRUE, move the file, otherwise copy the file.
+ *   Defaults to FALSE.
+ * - rename: (optional) Boolean, if TRUE, rename the file by appending a number
+ *   until the name is unique. Defaults to FALSE.
+ * - reuse: (optional) Boolean, if TRUE, reuse the current file in its existing
+ *   location rather than move/copy/rename the file. Defaults to FALSE.
  *
  * Examples:
  *