diff --git a/docs/env_reference.md b/docs/env_reference.md
index b9eec3e..4072044 100644
--- a/docs/env_reference.md
+++ b/docs/env_reference.md
@@ -419,8 +419,10 @@ actually removed, so **overkill scores nothing**. Damage is `4p` (p≤1) / `6p-2
 | `TR_TFIL_RANGE_K` | `60` | softness of the falloff outside the band |
 | `TR_TFIL_CORRIDOR_HEAT` | `10.0` | heat added along a bullet's corridor to the wall |
 | `TR_TFIL_WALL_HOTNESS` | `15.0` | peak wall radiance |
+| `TR_TFIL_RING_COMMIT_ARRIVAL` | off | **presence/value**: `on` = hold the committed dodge tile until we are actually ON it, instead of the fixed 5-tick dwell. Default path byte-identical. **NEVER LIVE-TESTED** |
+| `TR_TFIL_RING_NOREV_SPEED` | `0.0` | px/tick. Below this self speed a mid-flight target switch may not turn the bot around; `0.0` = off (the pre-knob behaviour). **NEVER LIVE-TESTED** |
 
-Defaults read in `the_floor_is_lava_ring.nim:116-133`.
+Defaults read in `the_floor_is_lava_ring.nim:188-196` and `:173-175`.
 **Discrepancy to be aware of:** that file's header comment still says
 `CORRIDOR_HEAT default 5.0` / `WALL_HOTNESS default 10.0` (the pre-retune values);
 the **code defaults are `10.0` / `15.0`** (commit `7f6ccfb`). The code is the