diff --git a/docs/TODO b/docs/TODO
index 9df340d..bcf058b 100644
--- a/docs/TODO
+++ b/docs/TODO
@@ -6,30 +6,25 @@ If you see modifications to this file in git status, IGNORE them and do not comm
 
 
 === next steps ===
-    - maneuvering
-        - implement the maneuver functions in test_hybrid_burns.cpp into the
-            simulation
-            - should we still be using the rk4_step() here?
-        - display orbital elements in UI
-        - add a UI control for adding maneuvers
-    - only then look at interplanetary transfers
-    - document 'ZII' zero is initialization
-    - arena memory management?
+    - UI fixes
+    - SOI boundary testing
+    - interplanetary transfers
 
 
 === Project Documentation ===
     - remember to periodically check the reference docs against new changes
 
+=== code style ===
+    - document 'ZII' zero is initialization
+    - arena memory management?
+
 === Simulation/Physics ===
     - actually, we should start out simpler. create and test maneuvers in planetary
         frame before starting on interplanetary patched conics, oops
         - will still need hohmann transfers, circularizing, plane change, etc.
-    - IMPORTANT: for the graphical sim, we're calculating 100 physics steps per
-        frame. we need to test, and make a compromise on performance vs sim
-        accuracy, and have this set as a config constant, MAX_STEP_SIZE, with
-        a good discription nearby in the code.
-        - could also try an alternative step method with error function
-            eg) https://en.wikipedia.org/wiki/Runge%E2%80%93Kutta%E2%80%93Fehlberg_method
+    - something is not working with hohmann transfers, maybe SOI/parent logic?
+    - orbital rendezveuz
+    - interplanetary/SOI changing transfers
     - remove bodies on non closed orbits after they are a certain distance from
         the root body, or bary-center
 
@@ -38,3 +33,7 @@ If you see modifications to this file in git status, IGNORE them and do not comm
 
 === rendering ===
     - 3d object for spacecraft?
+
+=== UI ===
+    - need to fix UI text overlapping
+    - remove '?' unavailble characters