diff --git a/COMPILING.md b/COMPILING.md
index 567487f8..312f95e1 100644
--- a/COMPILING.md
+++ b/COMPILING.md
@@ -216,7 +216,7 @@ python3 -m http.server -d build/web 8000     # then open http://localhost:8000/
 itch.io — and the game runs. It needs no server-side anything, and no
 cross-origin isolation headers.
 
-**No game logic passes through JavaScript.** The systems, the queries, the
+**No game logic passes through JavaScript.** The handlers, the queries, the
 fixed-point arithmetic, the PNG decoder, the TrueType rasteriser and the UI are
 all compiled Ludic executing as wasm. `platform.js` is 300 lines and implements
 the same five-function window protocol `cocoa.ll` implements, plus the host
@@ -248,7 +248,7 @@ A browser tab cannot be held inside that loop — it would never paint, and the
 key events the loop is waiting on would never be delivered. So a web build
 exports those four functions instead of `main`, and `platform.js` calls
 `ludic_frame` from `requestAnimationFrame`. Both targets emit the four from the
-same code in `ll_emit_loop_parts`, so the systems that run, and the phase order
+same code in `ll_emit_loop_parts`, so the handlers that run, and the phase order
 they run in, are identical; only the owner of the loop differs.
 
 ### The floor