MIT license does have one restriction:

QTE
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
UNQTE

Which in practice means that you should remember adding a copyright
statement at the top of the LICENSE file.

-- 
Alexey Verkhovsky
CruiseControl.rb [http://cruisecontrolrb.thoughtworks.com]
RubyWorks [http://rubyworks.thoughtworks.com]