Update README.md

Author: fpistm

README.md

@@ -63,6 +63,7 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
 | :green_heart: | [Nucleo L053R8](http://www.st.com/en/evaluation-tools/nucleo-l053r8.html) | *0.1.0* |  |
 | :green_heart: | [Nucleo L073RZ](http://www.st.com/en/evaluation-tools/nucleo-l073rz.html) | *1.4.0* |  |
 | :green_heart: | [Nucleo L152RE](http://www.st.com/en/evaluation-tools/nucleo-l152re.html) | *1.0.0* |  |
+| :yellow_heart: | [Nucleo L452RE](http://www.st.com/en/evaluation-tools/nucleo-l452re.html) | **1.5.0** |  |
 | :green_heart: | [Nucleo L476RG](http://www.st.com/en/evaluation-tools/nucleo-l476rg.html) | *0.1.0* |  |
 
 | Status | [Nucleo 32](https://www.st.com/content/st_com/en/products/evaluation-tools/product-evaluation-tools/mcu-eval-tools/stm32-mcu-eval-tools/stm32-nucleo-boards.html) | Release | Comment |
@@ -116,7 +117,7 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
 
 ## Next release
 
-  See [milestone](https://github.com/stm32duino/Arduino_Core_STM32/milestone) to have an overview of the next release content.
+  See [milestones](https://github.com/stm32duino/Arduino_Core_STM32/milestones) to have an overview of the next release content.
 
 ## Troubleshooting