diff --git a/node/tools/src/bin/deployer.rs b/node/tools/src/bin/deployer.rs
index a3ea667f..f63cac84 100644
--- a/node/tools/src/bin/deployer.rs
+++ b/node/tools/src/bin/deployer.rs
@@ -1,7 +1,9 @@
 //! Deployer for the kubernetes cluster.
 use clap::Parser;
-use std::collections::HashMap;
-use std::net::{Ipv4Addr, SocketAddr};
+use std::{
+    collections::HashMap,
+    net::{Ipv4Addr, SocketAddr},
+};
 use zksync_consensus_roles::{node::SecretKey, validator};
 use zksync_consensus_tools::{k8s, k8s::ConsensusNode, AppConfig, NODES_PORT};
 
diff --git a/node/tools/src/bin/localnet_config.rs b/node/tools/src/bin/localnet_config.rs
index 844f1a84..6d548648 100644
--- a/node/tools/src/bin/localnet_config.rs
+++ b/node/tools/src/bin/localnet_config.rs
@@ -2,8 +2,8 @@
 use anyhow::Context as _;
 use clap::Parser;
 use rand::Rng;
-use std::collections::{HashMap, HashSet};
 use std::{
+    collections::{HashMap, HashSet},
     fs,
     net::{Ipv4Addr, SocketAddr},
     path::PathBuf,
diff --git a/node/tools/src/main.rs b/node/tools/src/main.rs
index 8677573d..88659400 100644
--- a/node/tools/src/main.rs
+++ b/node/tools/src/main.rs
@@ -88,6 +88,7 @@ impl Cli {
     }
 }
 
+/// Overrides `cfg.public_addr`, based on the `PUBLIC_ADDR` env variable.
 fn check_public_addr(cfg: &mut AppConfig) -> anyhow::Result<()> {
     if let Ok(public_addr) = std::env::var("PUBLIC_ADDR") {
         cfg.public_addr = std::net::SocketAddr::new(public_addr.parse()?, NODES_PORT).into();