diff --git a/crates/wallet/src/wallet/mod.rs b/crates/wallet/src/wallet/mod.rs
index 940ecf66e..8a949eb90 100644
--- a/crates/wallet/src/wallet/mod.rs
+++ b/crates/wallet/src/wallet/mod.rs
@@ -1418,10 +1418,12 @@ impl Wallet {
         fee_amount += fee_rate * tx.weight();
 
         let (required_utxos, optional_utxos) = {
+            // NOTE: manual selection overrides unspendable
             let mut required: Vec<WeightedUtxo> = params
                 .utxos
                 .clone()
                 .into_iter()
+                // transform required UTxOs into a WeightedUtxo
                 .map(|utxo| WeightedUtxo {
                     satisfaction_weight: self
                         .public_descriptor(utxo.keychain)