Your username is the name you give to the computer to tell it who you
-are, so that any account you get will be identified by that name.
-Most people choose a username which is similar to their real name.
-
-A username is restricted to a maximum of 8 characters (a minimum of 3)
-and must be all lowercase characters.
+are; it will also be used by friends and colleagues to communicate on
+the computer. No two people may have the same name. Most people
+choose a username which is similar to their real name. A username is
+restricted to a maximum of 8 characters (a minimum of 3) and must be
+all lowercase characters.