diff --git a/app/models/snapshot_fragment.rb b/app/models/snapshot_fragment.rb
index b195b9c..a4e9201 100644
--- a/app/models/snapshot_fragment.rb
+++ b/app/models/snapshot_fragment.rb
@@ -1,4 +1,4 @@
-class SnapshotFragment
+class SnapshotFragment # TODO: rename to Cell or SnapshotCell
 
   attr_reader :text, :brush
 
diff --git a/spec/models/asciicast_spec.rb b/spec/models/asciicast_spec.rb
index a8263b0..d89dd0e 100644
--- a/spec/models/asciicast_spec.rb
+++ b/spec/models/asciicast_spec.rb
@@ -23,6 +23,7 @@ describe Asciicast do
     end
   end
 
+  # TODO: create a service for this
   describe '#save' do
     let(:asciicast) { FactoryGirl.build(:asciicast, :user => user) }