docs: Remove architecture and simplify sentence

esp-hal/src/dma/mod.rs

@@ -3,8 +3,8 @@
 //! ## Overview
 //! The DMA driver provides an interface to efficiently transfer data between
 //! different memory regions and peripherals within the ESP microcontroller
-//! without involving the CPU. The DMA controller is a hardware block
-//! responsible for managing these data transfers.
+//! without involving the CPU. The DMA controller is reponsible for managing
+//! these data transfers.
 //!
 //! Notice, that this module is a common version of the DMA driver, `ESP32` and
 //! `ESP32-S2` are using older `PDMA` controller, whenever other chips are using

esp-hal/src/interrupt/riscv.rs

@@ -1,4 +1,4 @@
-//! Interrupt handling - RISC-V
+//! Interrupt handling
 //!
 //! CPU interrupts 1 through 15 are reserved for each of the possible interrupt
 //! priorities.

esp-hal/src/interrupt/xtensa.rs

@@ -1,4 +1,4 @@
-//! Interrupt handling - Xtensa
+//! Interrupt handling
 
 use xtensa_lx::interrupt::{self, InterruptNumber};
 use xtensa_lx_rt::exception::Context;