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-rw-r--r--docs/system/arm/b-l475e-iot01a.rst2
-rw-r--r--docs/system/arm/emulation.rst1
2 files changed, 2 insertions, 1 deletions
diff --git a/docs/system/arm/b-l475e-iot01a.rst b/docs/system/arm/b-l475e-iot01a.rst
index 0afef8e4f4..a76c9976c5 100644
--- a/docs/system/arm/b-l475e-iot01a.rst
+++ b/docs/system/arm/b-l475e-iot01a.rst
@@ -19,13 +19,13 @@ Currently B-L475E-IOT01A machine's only supports the following devices:
 - STM32L4x5 SYSCFG (System configuration controller)
 - STM32L4x5 RCC (Reset and clock control)
 - STM32L4x5 GPIOs (General-purpose I/Os)
+- STM32L4x5 USARTs, UARTs and LPUART (Serial ports)
 
 Missing devices
 """""""""""""""
 
 The B-L475E-IOT01A does *not* support the following devices:
 
-- Serial ports (UART)
 - Analog to Digital Converter (ADC)
 - SPI controller
 - Timer controller (TIMER)
diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst
index 2a7bbb82dc..a9ae7ede9f 100644
--- a/docs/system/arm/emulation.rst
+++ b/docs/system/arm/emulation.rst
@@ -64,6 +64,7 @@ the following architecture extensions:
 - FEAT_MTE (Memory Tagging Extension)
 - FEAT_MTE2 (Memory Tagging Extension)
 - FEAT_MTE3 (MTE Asymmetric Fault Handling)
+- FEAT_NMI (Non-maskable Interrupt)
 - FEAT_NV (Nested Virtualization)
 - FEAT_NV2 (Enhanced nested virtualization support)
 - FEAT_PACIMP (Pointer authentication - IMPLEMENTATION DEFINED algorithm)