Yes, I think so. If you want to change the message, you can do so in I18n.

From the docs:
 > Using responders will set the flash message to :notice and :alert. You
 > can change that through the following configuration value:
 > 
 > InheritedResources.flash_keys = [ :success, :failure ] Notice the
 > CollectionResponder won't work with InheritedResources, as
 > InheritedResources hardcodes the redirect path based on the current scope
 > (like belongs to, polymorphic associations, etc).

I believe I've already set the flash keys to be appropriate for bootstrap.

Speaking of which, you seem to be working with bootstrap pretty well. I had planned on removing it, but I'll leave it in for now. Have you ever worked on cleaning up the views by using sass/less mixins?