diff --git a/src/main/java/appointmentplanner/api/LocalDay.java b/src/main/java/appointmentplanner/api/LocalDay.java
index cea67c1..c1d4f38 100644
--- a/src/main/java/appointmentplanner/api/LocalDay.java
+++ b/src/main/java/appointmentplanner/api/LocalDay.java
@@ -8,6 +8,8 @@
 
 /**
  * Utility class to do zoned time conversion.
+ * @param zone the time zone for this day
+ * @param date the date of this day
  *
  * @author Pieter van den Hombergh {@code p.vandenhombergh@fontys.nl}
  */