First of all: Thank you very much for this wonderful plugin. I'm using WP multisite and it's working excellent in my installation. (Ok, it was not easy to configure for multisite and needed direct changes in the database, but I got it).
I'm sorry not to write in your support forum, but there never came an activation email after registering.
Today I recognized that the dynamically generated robots.txt still contains the default wp-content name:
For a really even better security it's a must that this is changed to the new directory name, or just added below:
Could you please add this feature to your next release?
I saw it in other pulgins working like SEO Ultimate, that something is added to this robots.txt.