diff --git a/docs/UserGuide.md b/docs/UserGuide.md
index 400e5b15f40..8cba5600dec 100644
--- a/docs/UserGuide.md
+++ b/docs/UserGuide.md
@@ -620,8 +620,8 @@ Furthermore, certain edits can cause MedDict to behave in unexpected ways (e.g.,
| **[Add Appointment](#adding-an-appointment-adda)** | `addA x/DATE_TIME z/PATIENT_ID z/DOCTOR_ID r/REMARK`
e.g., `addA x/2024-12-31 15:23 z/0 z/1 r/Third physiotherapy session` |
| **[View History](#view-history-of-a-person-view)** | `view z/ID [x/DATE_TIME]`
e.g., `view z/0 x/2024-12-31 15:23` |
| **[Check Appointment](#check-appointments-of-a-person-checka)** | `checkA z/ID y/DATE`
e.g., `checkA z/1 y/2024-12-31` |
-| **[Mark Appointment](#mark-appointment-of-a-doctor-mark)** | `mark z/PATIENT_ID z/DOCTOR_ID`
e.g., `mark x/2024-12-31 15:23 z/0 z/1` |
-| **[Delete Appointment](#delete-appointment-deletea)** | `deleteA x/DATE_TIME z/PATIENT_ID z/DOCTOR_ID`
e.g., `deleteA x/2024-12-31 15.23 z/0 z/1` |
+| **[Mark Appointment](#mark-appointment-of-a-doctor-mark)** | `mark z/PATIENT_ID z/DOCTOR_ID x/DATE_TIME`
e.g., `mark z/0 z/1 x/2024-12-31 15:23` |
+| **[Delete Appointment](#delete-appointment-deletea)** | `deleteA z/PATIENT_ID z/DOCTOR_ID x/DATE_TIME`
e.g., `deleteA z/1 z/3 x/2024-12-31 15:23` |
| **[Clear](#clearing-all-entries-clear)** | `clear`
Clears all entries |
| **[Exit](#exiting-the-program-exit)** | `exit`
Exits the program |