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 = Introduction to the Spring IoC Container and Beans
 
 This chapter covers the Spring Framework implementation of the Inversion of Control
-(IoC) principle. IoC is also known as dependency injection (DI). It is a process whereby
+(IoC) principle. An important kind of IoC is dependency injection (DI). It is a process whereby
 objects define their dependencies (that is, the other objects they work with) only through
 constructor arguments, arguments to a factory method, or properties that are set on the
 object instance after it is constructed or returned from a factory method. The container