@@ -29,11 +29,11 @@
  * This code is executed once when a method of the class is called for the first
  * time.
  * Derived classes can override this to execute their own code on
  * initialization.
  */
-+ initialize;
++ (void)initialize;
 
 /**
  * Allocates memory for an instance of the class.
  *
  * alloc will never return nil, instead, it will throw an