diff --git a/src/models/state/mempool.rs b/src/models/state/mempool.rs
index f65ba1b1..5cb7f7b8 100644
--- a/src/models/state/mempool.rs
+++ b/src/models/state/mempool.rs
@@ -415,7 +415,9 @@ impl Mempool {
     /// use neptune_core::models::state::mempool::Mempool;
     /// use bytesize::ByteSize;
     ///
-    /// let mempool = Mempool::new(ByteSize::gb(1));
+    /// let network = Network::Main;
+    /// let genesis_block = Block::genesis_block(network);
+    /// let mempool = Mempool::new(ByteSize::gb(1), genesis_block);
     /// // insert transactions here.
     /// let mut most_valuable_transactions = vec![];
     /// for (transaction_digest, fee_density) in mempool.get_sorted_iter() {