README.md in hijri-0.0.1 vs README.md in hijri-0.0.5

@@ -28,17 +28,17 @@
     DateTime.now.to_hijri
     hijri = Hijri.new 1430, 1, 3
     hijri.to_greo
 
 
-
 ## TODO
 
 - [ ] Add Hijri::Date and Hijri::DateTime.
 - [ ] Accept test error with one day range.
 - [ ] Add Hijri.now to create Hijri::DateTime object.
 - [ ] Add Hijri.today to create Hijri::Date object.
 - [ ] Implement strftime method.
+- [ ] Add Comparable for Hijri::Date.
 
 
 ## Contributing
 
 1. Fork it