From 8c29fe08f888291156017eb5176d49642d54a382 Mon Sep 17 00:00:00 2001
From: yancy <yancy@yancy.lol>
Date: Tue, 17 Sep 2024 00:02:02 -0500
Subject: [PATCH] Revise doc comment

Comment that the ceiling is computed instead of the floor.
---
 units/src/fee_rate.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/units/src/fee_rate.rs b/units/src/fee_rate.rs
index 02e84dfe7..626fd34d3 100644
--- a/units/src/fee_rate.rs
+++ b/units/src/fee_rate.rs
@@ -86,6 +86,9 @@ impl FeeRate {
     /// Checked weight multiplication.
     ///
     /// Computes the absolute fee amount for a given [`Weight`] at this fee rate.
+    /// When the resulting fee is a non-integer amount, the amount is rounded up,
+    /// ensuring that the transaction fee is enough instead of falling short if
+    /// rounded down.
     ///
     /// [`None`] is returned if an overflow occurred.
     pub fn checked_mul_by_weight(self, rhs: Weight) -> Option<Amount> {