[#209] Main#VERSION: Fix typo

Author: Zhiyuan-Amos

src/seedu/addressbook/Main.java

@@ -23,7 +23,7 @@
 public class Main {
 
     /** Version info of the program. */
-    public static final String VERSION = "AddessBook Level 2 - Version 1.0";
+    public static final String VERSION = "AddressBook Level 2 - Version 1.0";
 
     private TextUi ui;
     private StorageFile storage;

test/expected.txt

@@ -1,7 +1,7 @@
 || ===================================================
 || ===================================================
 || Welcome to your Address Book!
-|| AddessBook Level 2 - Version 1.0
+|| AddressBook Level 2 - Version 1.0
 || Launch command format: java seedu.addressbook.Main [STORAGE_FILE_PATH]
 || Using storage file : addressbook.xml
 || ===================================================