fix(doc): update link

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

Author: fpistm

_cmake/CMake_presentation.md

@@ -16,7 +16,7 @@ Of course, this all has a cost: building is no longer as simple as hitting "buil
 However, much has been done to make the file as high-level as possible: it is written in CMake's own syntax, but makes heavy use of the custom functions defined here in the [`cmake/` folder](../blob/cmake_dev/cmake).
 Didactic examples can be found on a separate repository: [https://github.com/stm32duino/CMake_workspace](https://github.com/stm32duino/CMake_workspace).
 
-Before delving into this wiki, be sure to read [the dedicated README](https://github.com/massonal/Arduino_Core_STM32/blob/cmake_dev/README_CMAKE.md) first!
+Before delving into this wiki, be sure to read [the dedicated README](https://github.com/stm32duino/Arduino_Core_STM32/blob/main/README_CMAKE.md) first!
 
 
 ## Pages in this section: