Syntax error in class declaration extends MovieClip

So, I’m trying to get used to OOP flash and I’m getting kicked even before I start.

I have the beginning of the class which is implemented as such


class AuthorizeClass extends Movieclip
{
    
}

I have saved this in AuthorizeClass.as and include the class in test.swf like this:

#include “AuthorizeClass.as”

and I get this error:

AuthorizeClass.as: Line 1: Syntax error.
class AuthorizeClass extends Movieclip

What gives?