diff --git a/core/modules/migrate/src/Plugin/migrate/process/Route.php b/core/modules/migrate/src/Plugin/migrate/process/Route.php
index 7ff4720..47d4809 100644
--- a/core/modules/migrate/src/Plugin/migrate/process/Route.php
+++ b/core/modules/migrate/src/Plugin/migrate/process/Route.php
@@ -11,10 +11,27 @@
 use Drupal\migrate\Row;
 
 /**
+ * Sets the destination route information based on the source link_path.
  *
- * @link https://www.drupal.org/node/2750777 Online handbook documentation for route process plugin @endlink
+ * The route process plugin ...
  *
- * * @MigrateProcessPlugin(
+ * The source value is an array of two values
+ *   - link_path:
+ *   - options:
+ *
+ * Example:
+ *
+ * @code
+ * process:
+ *   route:
+ *     source:
+ *       - link_path
+ *       - options
+ * @endcode
+ *
+ * @see \Drupal\migrate\Plugin\MigrateProcessInterface
+ *
+ * @MigrateProcessPlugin(
  *   id = "route"
  * )
  */