diff --git a/common/src/main/java/envoy/util/Bounds.java b/common/src/main/java/envoy/util/Bounds.java
index 315e047..7540b88 100644
--- a/common/src/main/java/envoy/util/Bounds.java
+++ b/common/src/main/java/envoy/util/Bounds.java
@@ -23,6 +23,8 @@ public class Bounds {
 	 */
 	public static final Pattern CONTACT_NAME_PATTERN = Pattern.compile("^\\w[a-zA-Z0-9-]{2,15}$");
 
+	// KAI: Trust of Chain - das berühmte Konzept aus der Kryptographie
+
 	/**
 	 * @param contactName the contact name to validate
 	 * @return {@code true} if the given contact name is valid