From ed2e1bc780f749748b20f83edd2a899dd4c5bb53 Mon Sep 17 00:00:00 2001
From: Robin Salen <salenrobin@gmail.com>
Date: Mon, 8 Jan 2024 09:38:55 +0100
Subject: [PATCH] Add comment

---
 plonky2/src/plonk/circuit_builder.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/plonky2/src/plonk/circuit_builder.rs b/plonky2/src/plonk/circuit_builder.rs
index fba33434..c0e0d870 100644
--- a/plonky2/src/plonk/circuit_builder.rs
+++ b/plonky2/src/plonk/circuit_builder.rs
@@ -112,7 +112,9 @@ pub struct LookupWire {
 /// let mut prev_target = initial_a;
 /// let mut cur_target = initial_b;
 /// for _ in 0..99 {
+///     // Encode an addition of the two previous terms
 ///     let temp = builder.add(prev_target, cur_target);
+///     // Shift the two previous terms with the new value
 ///     prev_target = cur_target;
 ///     cur_target = temp;
 /// }