Clarify DOKKU_SCALE docs
Clarify DOKKU_SCALE docs

[ci skip]
fruitl00p/dokku,amaltson/dokku,progrium/dokku,progrium/dokku,elia/dokku,Evlos/dokku,Evlos/dokku,dokku/dokku,dokku/dokku,alexquick/dokku,claytonbrown/dokku,claytonbrown/dokku,amaltson/dokku,fruitl00p/dokku,claytonbrown/dokku,alexquick/dokku,fruitl00p/dokku,econya/dokku,progrium/dokku,elia/dokku,elia/dokku,dokku/dokku,jimjag/dokku,fruitl00p/dokku,jimjag/dokku,elia/dokku,fruitl00p/dokku,amaltson/dokku,jimjag/dokku,progrium/dokku,sseemayer/dokku,dokku/dokku,Evlos/dokku,jimjag/dokku,amaltson/dokku,sseemayer/dokku,alexquick/dokku,econya/dokku,elia/dokku,Evlos/dokku,progrium/dokku,econya/dokku,dokku/dokku,Evlos/dokku,alexquick/dokku,alexquick/dokku,Evlos/dokku,econya/dokku,claytonbrown/dokku,jimjag/dokku,jimjag/dokku,fruitl00p/dokku,alexquick/dokku,econya/dokku,progrium/dokku,sseemayer/dokku,progrium/dokku,claytonbrown/dokku,Evlos/dokku,elia/dokku,amaltson/dokku,alexquick/dokku,alexquick/dokku,amaltson/dokku,amaltson/dokku,elia/dokku,claytonbrown/dokku,econya/dokku,dokku/dokku,econya/dokku,sseemayer/dokku,dokku/dokku,claytonbrown/dokku,amaltson/dokku,claytonbrown/dokku,sseemayer/dokku,jimjag/dokku,Evlos/dokku,fruitl00p/dokku,dokku/dokku,jimjag/dokku,progrium/dokku,fruitl00p/dokku,sseemayer/dokku,sseemayer/dokku,sseemayer/dokku,elia/dokku,econya/dokku