From c6b45f80c1212e811f0a5ba7ca0a1fa33d3326d8 Mon Sep 17 00:00:00 2001
From: Sheikh Umar Bin Shaik Abu Bakar Banafe <sheikh.umar.banafe@gmail.com>
Date: Sat, 3 Mar 2018 19:47:44 +0800
Subject: [PATCH] LO for W5.10h.

---
 doc/DeveloperGuide.md | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/doc/DeveloperGuide.md b/doc/DeveloperGuide.md
index f77866560..d1a183694 100644
--- a/doc/DeveloperGuide.md
+++ b/doc/DeveloperGuide.md
@@ -88,6 +88,29 @@ Use case ends.
 > 3a1. AddressBook shows an error message <br>
   Use case resumes at step 2
 
+#### Use case: Rename person
+
+**MSS**
+1. User requests to rename person
+2. User enters name of person to be renamed and new name of the person to be renamed.
+3. AddressBook renames the person <br>
+Use case ends.
+
+**Extensions**
+
+2a. The addressbook is empty
+
+> Use case ends
+
+2b. Name that user wants to update is the same as name of the person that user wants to rename
+
+> 2b1. AddressBook shows an error message <br>
+  Use case ends
+  
+2c. The name of the person that user wants to update is not in addressbook
+
+> Use case ends
+
 ## Appendix C : Non Functional Requirements
 
 1. Should work on any [mainstream OS](#mainstream-os) as long as it has Java 8 or higher installed.