diff --git a/ModularBot_garage/src/env_report.nim b/ModularBot_garage/src/env_report.nim
index ac7fba3..89e4b33 100644
--- a/ModularBot_garage/src/env_report.nim
+++ b/ModularBot_garage/src/env_report.nim
@@ -493,6 +493,8 @@ proc printModules(ctx: EnvReportContext) =
              "picks which enemy to aim at")
   emitModule("core.gun_selector", true, "always-on",
              "ranks the rack; empty fitness floor = first admitted gun")
+  emitModule("core.body", true, "always-on",
+             "Tank Royale API: drives and turns the tank; without it nothing moves")
 
 # ── build identity (which binary is the GUI actually running?) ───────────────
 
diff --git a/docs/env_reference.md b/docs/env_reference.md
index bb177ac..c06e81b 100644
--- a/docs/env_reference.md
+++ b/docs/env_reference.md
@@ -274,8 +274,9 @@ name, with no new knob:
 | `TR_STRAFE_HEAT_GRID` | draw the full heat grid in STRAFE (default) | the heat grid is hidden |
 
 Always on, listed in `[modules]` but with no switch, because the bot cannot work
-without them: the enemy tracker, target selection, the gun selector and the 1v1
-radar lock.
+without them: the enemy tracker, target selection, the gun selector, the 1v1
+radar lock, and the Tank Royale body API that actually drives and turns the
+tank.
 
 ---