diff --git a/crates/iroha/src/lib.rs b/crates/iroha/src/lib.rs
index 02c3553fb1..fe29f02d3f 100644
--- a/crates/iroha/src/lib.rs
+++ b/crates/iroha/src/lib.rs
@@ -5,7 +5,7 @@ pub mod config;
 pub mod http;
 mod http_default;
 pub mod query;
-mod secrecy;
+pub mod secrecy;
 
 pub use iroha_crypto as crypto;
 pub use iroha_data_model as data_model;
diff --git a/crates/iroha/src/secrecy.rs b/crates/iroha/src/secrecy.rs
index cdba906f47..ed6f5f1049 100644
--- a/crates/iroha/src/secrecy.rs
+++ b/crates/iroha/src/secrecy.rs
@@ -1,12 +1,15 @@
+//! Types for representing securely printable secrets.
 use std::fmt;
 
 use derive_more::Constructor;
 use serde::{Deserialize, Serialize, Serializer};
 
+/// SecretString epresents a sensitive secret string.
 #[derive(Clone, Deserialize, Constructor)]
 pub struct SecretString(String);
 
 impl SecretString {
+    /// Returns underlying secret string
     pub fn expose_secret(&self) -> &str {
         &self.0
     }