DerelictFmodStudio not found...

[WhatMeWorry via Digitalmars-d-learn]

I followed the instructions for derelict.fmod.

// Load the Fmod library.
DerelictFmod.load();      // compiles fine.

// Load the Fmod studio library.
DerelictFmodStudio.load();

but the Studio load ..\common\derelict_libraries.d(122,5): Error: 
undefined identifier 'DerelictFmodStudio'

In the detailed example, I see the code only loads DerelictFmod.  
Is the documentation out of date?  Or am I missing something.

Thanks.