Rename FactoryGirl -> FactoryBot comment (#759)

Author: henrik

lib/annotate/annotate_models.rb

@@ -38,7 +38,7 @@ module AnnotateModels
   BLUEPRINTS_TEST_DIR   = File.join('test', "blueprints")
   BLUEPRINTS_SPEC_DIR   = File.join('spec', "blueprints")
 
-  # Factory Girl https://github.com/thoughtbot/factory_bot
+  # Factory Bot https://github.com/thoughtbot/factory_bot
   FACTORY_BOT_TEST_DIR = File.join('test', "factories")
   FACTORY_BOT_SPEC_DIR = File.join('spec', "factories")