diff --git a/va416xx-hal/src/uart.rs b/va416xx-hal/src/uart.rs
index 6c64675..859aa5c 100644
--- a/va416xx-hal/src/uart.rs
+++ b/va416xx-hal/src/uart.rs
@@ -1,5 +1,9 @@
 //! # API for the UART peripheral
 //!
+//! The core of this API are the [Uart], [UartBase], [Rx] and [Tx] structures.
+//! The RX structure also has a dedicated [RxWithIrq] variant which allows reading the receiver
+//! using interrupts.
+//!
 //! ## Examples
 //!
 //! - [UART simple example](https://egit.irs.uni-stuttgart.de/rust/va416xx-rs/src/branch/main/examples/simple/examples/uart.rs)