diff --git a/zenno/src/routes/race/stam/+page.svelte b/zenno/src/routes/race/stam/+page.svelte
index 2559f48..e17ba03 100644
--- a/zenno/src/routes/race/stam/+page.svelte
+++ b/zenno/src/routes/race/stam/+page.svelte
@@ -130,7 +130,8 @@
 		}
 		return { mode: (mr * maxHP) / 10000, modePer: mp * 100, mean };
 	});
-	const effStam = $derived(race.effectiveStam(raceLen, style, maxHP + statistics.mode));
+	const debuffHP = $derived((maxHP * debuffCounts.reduce((a, s) => a + s.r * s.n, 0)) / 10000);
+	const effStam = $derived(race.effectiveStam(raceLen, style, maxHP + statistics.mode - debuffHP));
 
 	const sections = $derived.by(() => {
 		const r = course.splitSectionSlopes(raceLen, slopesRaw).map((s) => {
@@ -448,7 +449,21 @@
 </table>
 -->
 {#if skills.length != 0 || risky}
-	<div class="mx-auto h-96 max-w-5xl">
+	<div class="mx-auto h-96 max-w-3xl">
 		<HPChart {distribution} {maxHP} />
 	</div>
 {/if}
+<div class="mx-auto mt-12 w-full max-w-4xl border-t pt-4 md:mt-8">
+	<p>
+		Mode HP from Skills gives the most frequent single result of recoveries and debuffs, along with the probability of that
+		result.
+	</p>
+	<p>
+		Effective Stamina gives the stamina stat which yields the same HP as the input configuration plus the mode HP from recovery
+		skills alone, ignoring debuffs. It can be considered the HP that removes wit checks from the equivalent HP pool.
+	</p>
+	<p>
+		As of now, this calculator does not handle recoveries that have no wit check, nor the HP effects of rushed, spot struggle, and
+		downhill running.
+	</p>
+</div>