diff --git a/src/client/builder.rs b/src/client/builder.rs
index bb5e3db..fe2ce5e 100644
--- a/src/client/builder.rs
+++ b/src/client/builder.rs
@@ -1,3 +1,5 @@
+//! Builder for Client
+
 use std::sync::Arc;
 
 use crate::{
@@ -12,6 +14,7 @@ use tokio_rustls::rustls::{
     SupportedProtocolVersion,
 };
 
+/// Builder for creating configured [`Client`] instance
 pub struct ClientBuilder {
     root_certs: rustls::RootCertStore,
     ss_verifier: Option<Box<dyn SelfsignedCertVerifier>>,