Update crates/bdk/src/wallet/coin_selection.rs

Co-authored-by: ValuedMammal <[email protected]>

Author: storopoli

crates/bdk/src/wallet/coin_selection.rs

@@ -747,7 +747,7 @@ mod test {
     use rand::seq::SliceRandom;
     use rand::{Rng, RngCore, SeedableRng};
 
-    // n. of items on witness (1WU) signature and sighash (72WU)
+    // signature len (1WU) + signature and sighash (72WU)
     // + pubkey len (1WU) + pubkey (33WU)
     const P2WPKH_SATISFACTION_SIZE: usize = 1 + 72 + 1 + 33;