fix(doc): typo

Fixes #2664.

Signed-off-by: Frederic Pillon <[email protected]>

Author: fpistm

Diff for: README.md

@@ -113,7 +113,7 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
 | :green_heart:  | STM32H723ZG | [Nucleo H723ZG](https://www.st.com/en/evaluation-tools/nucleo-h723zg.html) | *2.4.0* |  |
 | :green_heart:  | STM32H743ZI | [Nucleo H743ZI(2)](https://www.st.com/en/evaluation-tools/nucleo-h743zi.html) | *1.5.0* | Nucleo H743ZI2 since 1.6.0 |
 | :green_heart:  | STM32H753ZI | [Nucleo H753ZI](https://www.st.com/en/evaluation-tools/nucleo-h753zi.html) | *2.7.0* |  |
-| :yellow_heart: | STM32H7A3ZITxQ | [NNUCLEO-H7A3ZI-Q](https://www.st.com/en/evaluation-tools/nucleo-h7a3zi-q.html) | **2.10.0** |  |
+| :yellow_heart: | STM32H7A3ZITxQ | [NUCLEO-H7A3ZI-Q](https://www.st.com/en/evaluation-tools/nucleo-h7a3zi-q.html) | **2.10.0** |  |
 | :green_heart:  | STM32L496ZG | [Nucleo L496ZG](http://www.st.com/en/evaluation-tools/nucleo-l496zg.html) | *1.3.0* |  |
 | :green_heart:  | STM32L496ZG-P | [Nucleo L496ZG-P](http://www.st.com/en/evaluation-tools/nucleo-l496zg-p.html) | *1.3.0* |  |
 | :green_heart:  | STM32L4R5ZI | [Nucleo L4R5ZI](http://www.st.com/en/evaluation-tools/nucleo-l4r5zi.html) | *1.4.0* |  |