From 77ed0dc2bcc4a56508cd9b2dd4ab661ed23ab9f4 Mon Sep 17 00:00:00 2001
From: joe petrowski <25483142+joepetrowski@users.noreply.github.com>
Date: Sun, 3 Nov 2019 15:09:45 +0100
Subject: [PATCH] fix formula in comment (#4006)

---
 substrate/node/runtime/src/impls.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/substrate/node/runtime/src/impls.rs b/substrate/node/runtime/src/impls.rs
index 2e9bd38c8f..69b782e807 100644
--- a/substrate/node/runtime/src/impls.rs
+++ b/substrate/node/runtime/src/impls.rs
@@ -61,7 +61,7 @@ impl<C: Get<Balance>> Convert<Weight, Balance> for LinearWeightToFee<C> {
 
 /// Update the given multiplier based on the following formula
 ///
-///   diff = (target_weight - previous_block_weight)
+///   diff = (previous_block_weight - target_weight)
 ///   v = 0.00004
 ///   next_weight = weight * (1 + (v . diff) + (v . diff)^2 / 2)
 ///