diff --git a/test/landedbird.test.mjs b/test/landedbird.test.mjs
index 0b66a75..beddd74 100644
--- a/test/landedbird.test.mjs
+++ b/test/landedbird.test.mjs
@@ -1,11 +1,11 @@
-// test/landedbird.test.mjs -- RC-375D84 S-5: landed bird remains a physical body.
-// Commander (verbatim): "When a board is broken from underneath a bird it just
+// test/landedbird.test.mjs -- landed bird remains a physical body.
+// Design spec (verbatim): "When a board is broken from underneath a bird it just
 // floats. Gravity needs to work for the birds as well so if the platform falls
 // from underneath them they can fall causing more damage to any boards that they
 // fall on like a chain reaction and the birds can also kill more enemy's that way
 // as well. That is AFTER a bird has been shot from a slingshot and another bird is
 // already active."
-// Q2 (Commander ruling): REAL CONTINUOUS GRAVITY, no fixed lifetime timer -- the
+// Q2 (ruling): REAL CONTINUOUS GRAVITY, no fixed lifetime timer -- the
 // bird is a body as long as it exists.
 //
 // The pre-S-5 defect: spendBird() marked a settled bird 'spent' and zeroed its
diff --git a/test/page.test.mjs b/test/page.test.mjs
index c57aa5f..e6cbed1 100644
--- a/test/page.test.mjs
+++ b/test/page.test.mjs
@@ -145,7 +145,7 @@ console.log('\n== ISLE SLINGERS page boot (DOM stub) ==');
 
 // ------------------------------------------------------------------- tests
 test('page loads: all five modules execute without throwing (browser order)', () => {
-  // RC-375D84 S-2: modularized tree -- same browser order as index.html
+  // modularized tree -- same browser order as index.html
   const FILES = [
     'js/physics/constants/index.js', 'js/physics/state/index.js', 'js/physics/aim/index.js',
     'js/physics/abilities/index.js', 'js/physics/damage/index.js', 'js/physics/step/index.js',
diff --git a/test/sim.test.mjs b/test/sim.test.mjs
index 71721fb..2b8be7d 100644
--- a/test/sim.test.mjs
+++ b/test/sim.test.mjs
@@ -8,13 +8,13 @@
 import { readFileSync, readdirSync, statSync } from 'node:fs';
 import { dirname, join } from 'node:path';
 import { fileURLToPath } from 'node:url';
-import ISLE from '../js/physics/index.js'; // RC-375D84 S-2: physics module aggregator (was js/core.js)
-import levelsModule from '../js/levels/index.js'; // RC-375D84 S-2: levels module aggregator (was js/levels.js)
+import ISLE from '../js/physics/index.js'; // physics module aggregator (was js/core.js)
+import levelsModule from '../js/levels/index.js'; // levels module aggregator (was js/levels.js)
 const { LEVELS } = levelsModule;
 
 const HERE = dirname(fileURLToPath(import.meta.url));
 
-// RC-375D84 S-2: recursive list of every .js under js/ (the modularized tree).
+// recursive list of every .js under js/ (the modularized tree).
 // Replaces the old hardcoded [core,levels,audio,renderer,main] file list so
 // the syntax + DOM-wiring arms scan the real submodules, not orphaned monoliths.
 function listJs(rootRel) {
@@ -377,7 +377,7 @@ for (const lv of LEVELS) {
   });
 }
 
-// --------------------------------- 9. rest & framing (Commander's bugs #12-13)
+// --------------------------------- 9. rest & framing (reported bugs #12-13)
 // Bug #12: every fort must sit STILL when no one touches it. The original
 // box-pair solver pushed resting blocks toward each other instead of apart,
 // so each level's structure self-destructed within seconds — "objects