Do a little bit more documenting.

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/diaspora/guid.rb b/lib/diaspora/guid.rb
index 728752434..7ea870152 100644
--- a/lib/diaspora/guid.rb
+++ b/lib/diaspora/guid.rb
@@ -1,10 +1,13 @@
 module Diaspora::Guid
+  # Creates a before_create callback which calls #set_guid and makes the guid serialize in to_xml
   def self.included(model)
     model.class_eval do
       before_create :set_guid
       xml_attr :guid
     end
   end
+
+  # @return [String] The model's guid.
   def set_guid
     self.guid ||= ActiveSupport::SecureRandom.hex(8)
   end