Updated Update the WiKi (markdown)

Author: fpistm

Update-the-WiKi.md

@@ -2,11 +2,10 @@ This [WiKi] can't be edited publicly due to spam, advertising,...
 
 # To contribute:
 
-1. Duplicate the repository following this guide: 
-   https://docs.github.com/en/repositories/creating-and-managing-repositories/duplicating-a-repository
-2. Made you changes on your copy of the wiki in a dedicated branch.
-3. Commit them.
-4. Warn us you made an update with the link to your updated branch in the dedicated [GitHub discussion](https://github.com/orgs/stm32duino/discussions/categories/wiki).
-5. If changes accepted, it will be merged in this [WiKi].
+1. Fork this repository: https://github.com/stm32duino/wiki_contrib
+2. Made changes on your fork in a dedicated branch.
+3. Commit and push them on your fork.
+4. [Create a Pull Request](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/creating-a-pull-request) here: https://github.com/stm32duino/wiki_contrib/pulls
+5. If changes accepted, it will be merged in the [WiKi].
 
 [WiKi]: https://github.com/stm32duino/Arduino_Core_STM32/wiki