diff --git a/Feature Plan.md b/Feature Plan.md
index 7121c5b..0f02347 100644
--- a/Feature Plan.md	
+++ b/Feature Plan.md	
@@ -5,4 +5,8 @@
 - [ ] Burns 0.25 less fuel per 1/4 stack added
 - [ ] Can set the heat level of a vanilla furnace
 - [ ] Renders fuel stack
-- [ ] Will set fire to the surface if it's on ifno block is above it.
\ No newline at end of file
+- [ ] Will set fire to the surface if it's on ifno block is above it.
+- [ ] State 0-3 Facing
+- [ ] State 4-7 On + Low + Facing
+- [ ] State 8-11 On + Medium + Facing
+- [ ] State 12-15 On + High + Facing
\ No newline at end of file