diff --git a/pdf-umbenenner-bootstrap/src/main/java/de/gecheckt/pdf/umbenenner/bootstrap/BootstrapRunner.java b/pdf-umbenenner-bootstrap/src/main/java/de/gecheckt/pdf/umbenenner/bootstrap/BootstrapRunner.java
index a39c799..c168473 100644
--- a/pdf-umbenenner-bootstrap/src/main/java/de/gecheckt/pdf/umbenenner/bootstrap/BootstrapRunner.java
+++ b/pdf-umbenenner-bootstrap/src/main/java/de/gecheckt/pdf/umbenenner/bootstrap/BootstrapRunner.java
@@ -122,7 +122,8 @@ public class BootstrapRunner {
      * <p>
      * Receives the already-loaded and validated {@link StartConfiguration} and run lock port.
      * The factory is responsible for creating and wiring any additional outbound ports
-     * required by the use case (e.g., source document port, PDF extraction port, M4 ports).
+     * required by the use case (e.g., source document port, PDF extraction port,
+     * persistence and fingerprint ports).
      */
     @FunctionalInterface
     public interface UseCaseFactory {