diff --git a/.todo b/.todo
index bbd98d2..6664bc7 100644
--- a/.todo
+++ b/.todo
@@ -7,6 +7,7 @@ FART To-Do List
     - Add spotlight and directional light types
     - Multi-core rendering in non-distributed mode
     - Look into half-space pruning optimization
+    - add fog support
 
   Low Priority:
     - Refraction