diff --git a/util/src/lib.rs b/util/src/lib.rs
index adfb11b..ca65b47 100644
--- a/util/src/lib.rs
+++ b/util/src/lib.rs
@@ -2,19 +2,37 @@
 #![warn(clippy::missing_docs_in_private_items)]
 #![recursion_limit = "256"]
 
+//! Core utility functions and types used across the codebase.
+
+/// Base64 encoding and decoding functionality.
 pub mod b64;
+/// Build-time utilities and macros.
 pub mod build;
+/// Control flow abstractions and utilities.
 pub mod controlflow;
+/// File descriptor utilities.
 pub mod fd;
+/// File system operations and handling.
 pub mod file;
+/// Functional programming utilities.
 pub mod functional;
+/// Input/output operations.
 pub mod io;
+/// Length prefix encoding schemes implementation.
 pub mod length_prefix_encoding;
+/// Memory manipulation and allocation utilities.
 pub mod mem;
+/// MIO integration utilities.
 pub mod mio;
+/// Extended Option type functionality.
 pub mod option;
+/// Extended Result type functionality.
 pub mod result;
+/// Time and duration utilities.
 pub mod time;
+/// Type-level numbers and arithmetic.
 pub mod typenum;
+/// Zero-copy serialization utilities.
 pub mod zerocopy;
+/// Memory wiping utilities.
 pub mod zeroize;