diff --git a/src/test/java/seedu/address/testutil/AppointmentBuilder.java b/src/test/java/seedu/address/testutil/AppointmentBuilder.java
index bcefeac566d4..fc95ffed1a57 100644
--- a/src/test/java/seedu/address/testutil/AppointmentBuilder.java
+++ b/src/test/java/seedu/address/testutil/AppointmentBuilder.java
@@ -65,7 +65,7 @@ public AppointmentBuilder withPetPatientName(String petPatientName) {
     }
 
     /**
-     * Parses the {@code appointmentTags} into a {@code Set<Tag>} 
+     * Parses the {@code appointmentTags} into a {@code Set<Tag>}
      * and set it to the {@code Appointment} that we are building.
      */
     public AppointmentBuilder withAppointmentTags(String ... appointmentTags) {