diff --git a/src/main/java/com/ossez/codebank/interview/KayakRobotMovement.java b/src/main/java/com/ossez/codebank/interview/KayakRobotMovement.java
index 0a2e94f713..22cb653292 100644
--- a/src/main/java/com/ossez/codebank/interview/KayakRobotMovement.java
+++ b/src/main/java/com/ossez/codebank/interview/KayakRobotMovement.java
@@ -4,6 +4,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 /**
+ * https://www.cwiki.us/display/ITCLASSIFICATION/Robot+Movement
  * 
  * @author YuCheng
  *