diff --git a/docs/UserGuide.md b/docs/UserGuide.md
index 02c903b80ec..5a137f6ffb7 100644
--- a/docs/UserGuide.md
+++ b/docs/UserGuide.md
@@ -178,7 +178,9 @@ Appointment: No Appointment made!;
 Financial Plans: [Financial Plan C]; 
 Tags: [80yo]`
 
-Do note that it is possible to add a client's contact with multiple tags by duplicating the `t/` prefix. The same can be done with for financial plans with the `fp/` prefix.
+<div markdown="span" class="alert alert-primary">:information_source: 
+**Do note** that it is possible to add a client's contact with multiple tags by duplicating the `t/` prefix. The same can be done with for financial plans with the `fp/` prefix.
+</div>
 
 ------------------
 ### Listing all persons : `list`
@@ -228,7 +230,9 @@ Tags:`
 
 ![result for 'edit 4 n/john doe a/23 woodlands ave 123'](images/editUi.png)
 
-Do note that it is possible to edit a client's contact such that the contact has multiple tags by duplicating the `t/` prefix. The same can be done with for financial plans with the `fp/` prefix.
+<div markdown="span" class="alert alert-primary">:information_source: 
+**Do note** that it is possible to add a client's contact with multiple tags by duplicating the `t/` prefix. The same can be done with for financial plans with the `fp/` prefix.
+</div>
 
 ---------------
 ### Locating persons by name, financial plan, and/or tag : `find`
@@ -309,8 +313,13 @@ Schedules an appointment for a client using an index followed by the appointment
 Format: `schedule INDEX ap/APPOINTMENT_NAME d/APPOINTMENT_DATE_TIME`
 
 - Schedules appointment with the person at the specified `INDEX`. The index refers to the index number shown in the displayed person list.
-- Both appointment name and date must be provided.
-- If there is an existing appointment with the person when command is executed, you can replace it with a new appointment by clicking confirm when prompt is given.
+- **Both appointment name and date-time** must be provided.
+- Upon successful execution of the command, the scheduled appointment details will be updated in the **Contacts list**. The appointment details will also be updated in the **Appointments list**. 
+
+<div markdown="span" class="alert alert-primary">:information_source: 
+If there is an existing appointment with the person when command is executed, you can replace it with a new appointment by **clicking confirm** or **pressing the enter key** when prompt is given.
+</div>
+
   ![schedule prompt](images/schedulePrompt.png)
 
 Acceptable Values: Refer to [Argument Summary](#argument-summary).
@@ -325,12 +334,17 @@ Successful Output: `Appointment updated!`
 ----------
 ### Completing an Appointment : `complete`
 
-Completes an appointment with clients. User can input an index to complete an appointment with a specific client. User can also input a specific date to complete all appointments with the matching date. 
+Completes an appointment either with the person at the specified `INDEX` or complete all appointments with matching `APPOINTMENT_DATE`. 
 
 Format: `complete [INDEX] [d/APPOINTMENT_DATE]`
 
-- Completes appointment with the person at the specified INDEX. The index refers to the index number shown in the displayed person list.
-- **Either an index or appointment date must be provided** for command to execute. 
+- **Either an index or appointment date must be provided** for command to execute.
+- If user inputs an `INDEX`, command will complete appointment with the person at the specified `INDEX`. The index refers to the index number shown in **Contacts list**.
+- If user inputs an `APPOINTMENT_DATE`, command will complete all appointments in address book that have a date matching the one input by user. This is to allow the user to clear all his/her appointments finished throughout the entire day quickly.
+
+<div markdown="span" class="alert alert-primary">:information_source: 
+**Note** that an appointment's date is considered to be a match with user's input `APPOINTMENT_DATE` if the year, month and day are the same. Time of the appointment does not matter in this command. 
+</div>
 
 Acceptable Values: Refer to [Argument Summary](#argument-summary).