diff --git a/README.adoc b/README.adoc
index 1a951c9faeef..2040bcc55bad 100644
--- a/README.adoc
+++ b/README.adoc
@@ -1,4 +1,4 @@
-= Address Book (Level 4)
+= Immunity Book
 ifdef::env-github,env-browser[:relfileprefix: docs/]
 ifdef::env-github,env-browser[:outfilesuffix: .adoc]
 
@@ -16,7 +16,8 @@ image::images/Ui.png[width="600"]
 endif::[]
 
 * This is a desktop Address Book application. It has a GUI but most of the user interactions happen using a CLI (Command Line Interface).
-* It is a Java sample application intended for students learning Software Engineering while using Java as the main programming language.
+* Immunity Book is a newly conceptualised contact book that is secure, efficient and handy for users with everchanging contact list.
+* It is a Java sample application intended for CS2103 Software Engineering in AY2017/18 while using Java as the main programming language.
 * It is *written in OOP fashion*. It provides a *reasonably well-written* code example that is *significantly bigger* (around 6 KLoC)than what students usually write in beginner-level SE modules.
 * What's different from https://github.com/se-edu/addressbook-level3[level 3]:
 ** A more sophisticated GUI that includes a list  panel and an in-built Browser.
diff --git a/docs/DeveloperGuide.adoc b/docs/DeveloperGuide.adoc
index bcb58fceef12..3ea788f5a928 100644
--- a/docs/DeveloperGuide.adoc
+++ b/docs/DeveloperGuide.adoc
@@ -792,6 +792,7 @@ Use case resumes at step 2
 Use case ends
 
 
+[discrete]
 == Use case: Backup storage files
 
 *MSS*
@@ -803,22 +804,32 @@ Use case ends
 Use case ends.
 
 *Extensions*
-1a. System detects there is no new file to backup
-  1a1. System outputs message saying there is nothing new to backup
-  Use case ends.
-3a. System detects an invalid backup location
-  3a1. System asks for a new backup location
-  Steps 3 is repeated until a valid backup location is entered
-  Use cases resumes at step 4
-3b. System detects not enough storage on hard drive
-  3b1. System tells user not enough space on hard drive
-  Use case ends.
 
+* 1a. System detects there is no new file to backup
+
+** 1a1. System outputs message saying there is nothing new to backup
+Use case ends.
+
+* 3a. System detects an invalid backup location
 
+** 3a1. System asks for a new backup location
 
-==Use case: View and delete obsolete contacts
+** Steps 3 is repeated until a valid backup location is entered
+
+Use cases resumes at step 4
+
+* 3b. System detects not enough storage on hard drive
+
+** 3b1. System tells user not enough space on hard drive
+
+Use case ends.
+
+
+[discrete]
+== Use case: View and delete obsolete contacts
 
 *MSS*
+
 1. User requests to view unused contacts beyond a certain time (i.e. contacts not viewed for 3 years or more)
 2. System asks user to input the time period
 3. User input time period
@@ -828,8 +839,9 @@ Use case ends.
 
 
 *Extensions*
+
 4a. There are no unused users beyond the time period user input
-  Use case ends.
+Use case ends.
 
 {More to be added}
 
diff --git a/docs/UserGuide.adoc b/docs/UserGuide.adoc
index cae35c95c185..467ded542e20 100644
--- a/docs/UserGuide.adoc
+++ b/docs/UserGuide.adoc
@@ -270,6 +270,21 @@ There is no need to save manually.
 Address book data can be stored in a back up file when necessary. This is good in case any the existing address book is corrupted. +
 Format: `backup`
 
+=== Import data : `import` (Since v1.2)
+
+Add contact details from external xml file into current address book. +
+Format: import FILE_PATH
+
+****
+* Adds all person that is not already in the address book.
+* The FILE_PATH must contain a valid xml file.
+****
+
+Examples:
+
+* `import C:\Desktop\colleagues.xml` +
+Imports colleagues.xml into current address book.
+
 === Facebook Search (coming in V2.0)
 
 Query Facebook using list of emails from address book.