diff --git a/src/core/graph/nodes/events/OnKeyDown.ts b/src/core/graph/nodes/events/OnKeyDown.ts
index c08e6301..e5183c10 100644
--- a/src/core/graph/nodes/events/OnKeyDown.ts
+++ b/src/core/graph/nodes/events/OnKeyDown.ts
@@ -11,8 +11,26 @@ export const OnKeyDown: NodeDef = {
   outputs: [exec()],
   params: [
     keyParam,
-    { key: 'repeatAfter', label: 'Repeat after (ms)', kind: 'number', default: 0, min: 0, step: 50 },
-    { key: 'repeatInterval', label: 'Repeat interval (ms)', kind: 'number', default: 0, min: 0, step: 10 },
+    // `decimals: 0`: a millisecond is the finest step the repeat clock reads, so a fractional
+    // field would only ever show a ".000" nothing can use.
+    {
+      key: 'repeatAfter',
+      label: 'Repeat after (ms)',
+      kind: 'number',
+      default: 0,
+      min: 0,
+      step: 50,
+      decimals: 0,
+    },
+    {
+      key: 'repeatInterval',
+      label: 'Repeat interval (ms)',
+      kind: 'number',
+      default: 0,
+      min: 0,
+      step: 10,
+      decimals: 0,
+    },
   ],
   // Both rows go together: with no delay there is no repeat, so the interval is not in play either.
   hiddenParams: (params) => (asNumber(params.repeatAfter ?? 0) > 0 ? [] : ['repeatAfter', 'repeatInterval']),
diff --git a/tests/core/key-repeat.test.ts b/tests/core/key-repeat.test.ts
index 54dfc8ba..95ddabee 100644
--- a/tests/core/key-repeat.test.ts
+++ b/tests/core/key-repeat.test.ts
@@ -6,6 +6,7 @@ import { describe, expect, it } from 'vitest';
 import { nodeDef } from '../../src/core/graph';
 import { MIN_REPEAT_INTERVAL, stepKeyRepeat } from '../../src/core/graph/keyRepeat';
 import type { PropertyBag } from '../../src/core/model/Properties';
+import { formatNumber } from '../../src/ui/math';
 
 const held = { pressed: false, down: true, dt: 0.1, after: 0.2, interval: 0.2 };
 
@@ -71,3 +72,17 @@ describe('the repeat rows on the node body', () => {
     expect(hidden({ key: 'a', repeatAfter: 300, repeatInterval: 0 })).toEqual([]);
   });
 });
+
+describe('the repeat fields in the inspector', () => {
+  const param = (key: string) => {
+    const def = nodeDef('OnKeyDown')?.params.find((p) => p.key === key);
+    return def?.kind === 'number' ? def : null;
+  };
+
+  it('types both as whole milliseconds, so the field shows 300 and not 300.000', () => {
+    for (const key of ['repeatAfter', 'repeatInterval']) {
+      expect(param(key)?.decimals).toBe(0);
+      expect(formatNumber(300, param(key)?.decimals)).toBe('300');
+    }
+  });
+});
diff --git a/todo-notes/on-key-down-repeat.md b/todo-notes/on-key-down-repeat.md
index c5cb8b83..c76cd73d 100644
--- a/todo-notes/on-key-down-repeat.md
+++ b/todo-notes/on-key-down-repeat.md
@@ -28,6 +28,10 @@ Beide Felder sind **Millisekunden** — damit bleiben die ueblichen Werte ganze
 statt 0,3 und 0,05. Die Uhr dahinter rechnet weiter in Sekunden; umgerechnet wird beim Auslesen
 der Node-Properties.
 
+Beide tragen `decimals: 0`: das Inspector-Zahlenfeld zeigt sonst immer drei Nachkommastellen
+(`NUMBER_DECIMALS`), also stand dort `300.000`. Der Node-Koerper war davon nie betroffen —
+`formatValue` gibt ganze Zahlen bar aus.
+
 Der erste Druck feuert immer sofort und unveraendert — die Wiederholung haengt nur hinten dran.
 
 ### Warum das nicht der Auto-Repeat des Browsers ist
@@ -63,19 +67,16 @@ Zwei `On key down` auf **derselben** Taste, einer schlicht, einer wiederholend 
 Halten misst beide, damit "es hat wiederholt" nicht mit "die Taste kam oefter an" verwechselt
 werden kann.
 
-Die folgende Ausgabe stammt aus dem Lauf **vor** der Umstellung auf Millisekunden (daher `0.300` /
-`0.050` / `0.75 s`); das Modul tippt jetzt `300`, `50` und `750`. Der Nachlauf steht aus.
-
 ```
 PASS  a hold shorter than the delay fires once, repeat or not
-      – plain 0 → 1, repeating 0 → 1 over 120 ms with a 0.3 s delay
+      – plain 0 → 1, repeating 0 → 1 over 120 ms with a 300 ms delay
 PASS  holding past the delay keeps the repeating node firing, while the plain one counts one press
-      – plain +1, repeating +11 over 800 ms (press + ~10 repeats expected)
+      – plain +1, repeating +12 over 800 ms (press + ~10 repeats expected)
 PASS  a node with no repeat set carries no repeat rows, the repeating one carries both
-      – plain ["Key: Right arrow"], repeating [… "Repeat after (s): 0.300", "Repeat interval (s): 0.050"]
-PASS  typing a new delay lands on the node
+      – plain ["Key: Right arrow"], repeating [… "Repeat after (ms): 300", "Repeat interval (ms): 50"]
+PASS  typing a new delay lands on the node – {"key":"ArrowRight","repeatAfter":750,"repeatInterval":50}
 PASS  the delay typed into the inspector is the one the run uses
-      – repeating 0 → 1 over 500 ms with the delay raised to 0.75 s
+      – repeating 0 → 1 over 500 ms with the delay raised to 750 ms
 ```
 
 Der letzte ist der wichtigste: derselbe Graph, nur die getippte Zahl geaendert — und der Node