diff --git a/docs/UserGuide.md b/docs/UserGuide.md
index 49841d4c839..e71e63474e8 100644
--- a/docs/UserGuide.md
+++ b/docs/UserGuide.md
@@ -120,11 +120,6 @@ A doctor can have any number of tags (including 0). Duplicate tags, however, are
and the format for each field is adhered to.
- A person can either be a doctor or a patient, but not both. Hence if the doctor's IC is already in the app
as a patient, it may result in an error.
-- Adding additional prefixes (eg. `b/O+`) not specified by the command format above will be considered as a **parameter input**. For example:
- `add-doctor n/John Doe ic/S9851386G g/M p/98765432 e/johnd@example.com a/John street, block 123, #01-01 b/O+` will result
- in Address inputted as `a/John street, block 123, #01-01 b/O+`.
- Do avoid adding your own prefixes as it may lead to unwanted errors!
-- However, inputting `r/REMARKS` will be ignored and automatically removed by the system. To add remarks, use the Edit Command mentioned later below.
@@ -177,9 +172,10 @@ corresponding error message since no field supports empty inputs.
3. Adding custom prefixes
Adding custom prefixes will mostly cause the preceding flag to become invalid.
Exceptions:
- * Adding 'custom' flags to the address or condition field will, however, be accepted as
-Addresses may involve the usage of the `/` character. Hence, take note to use the address field carefully.
- * Adding the 'custom' flag before any other field will recognise the input to be of Invalid Command Format.
+ * Adding 'custom' flags after the address or condition field will, however, be accepted as
+addresses or conditions may involve the usage of the `/` character. Hence, take note to use these fields carefully.
+ * However, adding the remark prefix `r/` and everything attached to it will be ignored by the system.
+ * Adding the 'custom' flag after any other field will recognise the input to be of Invalid Command Format.
Examples:
* `add-doctor pic/ n/Faiz ic/S9851486G g/F p/98765433 e/betsycrowe@example.com a/#104-C, Wakanda St 42 t/surgeon`
@@ -267,7 +263,7 @@ Format: `find-appt NRIC`
**:information_source: Take Note:**
- All fields are Required.
-- NRIC must contain the valid NRIC of a Patient or Doctor in the Database.
+- NRIC must contain the valid NRIC of a Patient or Doctor in the Database and **must** be in caps.
- Either Doctor NRIC or Patient NRIC can be used in the search
- It is recommended to use `list` to restore the view of all data after a `find` command.
@@ -289,7 +285,7 @@ Edits an existing person in the MediLink Contacts.
Format: `edit NRIC [n/NAME] [p/PHONE] [e/EMAIL] [a/ADDRESS] [t/TAG]…`
-* Edits the person with the specified `NRIC`. The NRIC **must be a valid IC number**
+* Edits the person with the specified `NRIC`. The NRIC provided **must be a valid IC number** and is not case-sensitive.
* At least one of the optional fields must be provided.
* If the provided fields are the same as the original, the command will still work.
* Must edit appropriate fields based on whether the person is a patient or doctor (e.g. can't update condition of a
@@ -318,7 +314,7 @@ Format: `find KEYWORD [MORE_KEYWORDS]`
* When searching names, only full words will be matched e.g. `Han` will not match `Hans`.
* When searching names, Persons matching at least one keyword will be returned (i.e. `OR` search).
e.g. `Hans Bo` will return `Hans Gruber`, `Bo Yang`.
-* Note that if the name coincides with other find commands, it will be interpreted as the other find command first and extraneous paremeters will be ignored. e.g. `find F Kennedy John` will search for all female persons.
+* Note that if the name coincides with other find commands, it will be interpreted as the other find command first and extraneous paremeters will be ignored. e.g. `find F Kennedy John` will search for all female persons.
* It is recommended to use `list` to restore the view of all data after a `find` command.
Examples:
@@ -366,6 +362,14 @@ Examples:
* `find Blood Type A+` returns all Patients with blood type A+.
+