diff --git a/testhal/STM32/STM32F3xx/SPI-L3GD20/readme.txt b/testhal/STM32/STM32F3xx/SPI-L3GD20/readme.txt
index 0bad189d3..39d8d97f6 100644
--- a/testhal/STM32/STM32F3xx/SPI-L3GD20/readme.txt
+++ b/testhal/STM32/STM32F3xx/SPI-L3GD20/readme.txt
@@ -1,19 +1,21 @@
 *****************************************************************************
-** ChibiOS/RT port for ARM-Cortex-M4 STM32F303.                            **
+** ChibiOS/HAL + ChibiOS/EX - SPI + L3GD20 demo for STM32F3xx.             **
 *****************************************************************************
 
 ** TARGET **
 
-The demo runs on an ST STM32F3-Discovery board.
+The demo runs on an STM32F3 Discovery board.
 
 ** The Demo **
 
+The demo flashes the board LED using a thread, read data from L3GD20 printing
+it on a BaseSequentialStream (SDU1, mapped on USB virtual COM port).
 
 ** Build Procedure **
 
 The demo has been tested by using the free Codesourcery GCC-based toolchain
-and YAGARTO. just modify the TRGT line in the makefile in order to use
-different GCC toolchains.
+and YAGARTO.
+Just modify the TRGT line in the makefile in order to use different GCC ports.
 
 ** Notes **
 
@@ -22,4 +24,4 @@ ST Microelectronics and are licensed under a different license.
 Also note that not all the files present in the ST library are distributed
 with ChibiOS/RT, you can find the whole library on the ST web site:
 
-                             http://www.st.com
+                             http://www.st.com
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