diff --git a/README.md b/README.md
index e9d14df..2b44715 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ framework) and added to `ports/king_kong_le-0.97.port`.
 | File | What it is |
 |---|---|
 | `gamelog.c` | the logger: a passive PAD mode. It never `pm_begin()s`, never blocks, allocates nothing — it only watches and writes `[GAMELOG]` lines |
-| `pad_mode_runtime.c` | the PAD Modes SDK runtime, **patched**: (a) a GAMELOG section — passive stock-mode and award watching, exporting `gl_award_seq()` / `gl_last_award_id()` to modes; (b) the per-edge switch logger to `/dump/switch.log`, named by the port's `switch` lines; (c) the Insider Connected gate made passive; (d) multi-game port selection (`port_select` — below). Our exact changes vs upstream: `docs/runtime-patch.diff` |
+| `pad_mode_runtime.c` | the PAD Modes SDK runtime, **patched**: (a) a GAMELOG section — passive stock-mode and award watching, exporting `gl_award_seq()` / `gl_last_award_id()` to modes; (b) the per-edge switch logger to `/dump/switch.log`, named by the port's `switch` lines; (c) the Insider Connected gate made passive; (d) multi-game port selection (`port_select` — below). Our exact changes vs upstream: `patch/runtime-patch.diff` |
 | `pad_mode.h`, `pad_stock.h` | unmodified SDK headers (needed by the build) |
 | `build_mode.sh` | unmodified SDK build script: compiles the runtime + your mode into one `-nostdlib` shared object and refuses banned libc calls |
 | `event_probe.c`, `event_read.py` | the event-bus measurement instrument and its log reader — how bus event ids are identified for another game (MODE_SDK.md, "Measuring events on another game") |
@@ -67,7 +67,7 @@ A game update changes the words, so its old port stops matching — the machine
 logs the refusal and runs stock until the new game version's port is deployed.
 The switch log's buttons and their names come from the port's `switch` lines;
 a port that names none logs no switch edges.
-| `docs/runtime-patch.diff` | this project's changes to the upstream runtime (base: `pinball-asset-decryptor` commit `7faf8f08`, the last upstream change to that file) |
+| `patch/runtime-patch.diff` | this project's changes to the upstream runtime (base: `pinball-asset-decryptor` commit `7faf8f08`, the last upstream change to that file) |
 
 ## What gets logged
 
@@ -286,7 +286,7 @@ Built on the PAD Modes SDK
 Everything in this repo is unmodified SDK content except:
 
 - `gamelog.c` (new)
-- `pad_mode_runtime.c` (upstream runtime + the patch in `docs/runtime-patch.diff`)
+- `pad_mode_runtime.c` (upstream runtime + the patch in `patch/runtime-patch.diff`)
 - `tests/test_multi_game.py` (new)
 - `README.md`
 
diff --git a/docs/runtime-patch.diff b/patch/runtime-patch.diff
similarity index 100%
rename from docs/runtime-patch.diff
rename to patch/runtime-patch.diff