zenno/doc/race: fix 4 skill activation chance chart

zenno/src/routes/doc/race/+page.svelte

@@ -132,8 +132,7 @@
 		{ label: '1 of 2 or 2 of 2', y: (x) => (race.skillWitCheck(x, 2, 1) + race.skillWitCheck(x, 2, 2)) * 100 },
 		{ label: '2 of 2', y: (x) => race.skillWitCheck(x, 2, 2) * 100 },
 		{ label: '3 of 3', y: (x) => race.skillWitCheck(x, 3, 3) * 100 },
-		// TODO(zeph): why is this wrong?
-		{ label: '3 of 3 or 3 of 4', y: (x) => (race.skillWitCheck(x, 4, 3) + race.skillWitCheck(x, 3, 3)) * 100 },
+		{ label: '3 of 4 or 4 of 4', y: (x) => (race.skillWitCheck(x, 4, 3) + race.skillWitCheck(x, 4, 4)) * 100 },
 	];
 	const poskeep: ComputedSeries[] = [
 		{ label: 'Front Runner S', y: (x) => 100 * race.frontModeEnterChance(x * 1.1) },
@@ -359,7 +358,6 @@
 		Chance that each skill that has a wit check will be eligible to activate. This uses base wit, so style aptitude and passive
 		wit skills do not affect the chance, although mood does.
 	</p>
-	<p>TODO(zeph): Why is the 3 of 4 series getting values over 100%? Is it not just binom(3, 4, p) + binom(4, 4, p)?</p>
 	{@render statChart(race.Stat.Wit, skillChance, 'Skill Activation Chance (%)', [0, 100])}
 
 	<Sec h={3} id="poskeep">Position Keep Mode Chance</Sec>