docs: fix sentence grammar in how-to-setup-freecodecamp-locally.md (f…

…reeCodeCamp#18845)

* docs: fix sentence grammar

* docs: delete extraneous word

docs/how-to-setup-freecodecamp-locally.md

@@ -388,7 +388,7 @@ Follow these steps:
 
     This does not take any additional time than a unconventional message like 'update file' or 'add index.md'
 
-    You can learn more at about [why your should these here](https://www.conventionalcommits.org/en/v1.0.0-beta.2/#why-use-conventional-commits).
+    You can learn more about why you should use conventional commits [here](https://www.conventionalcommits.org/en/v1.0.0-beta.2/#why-use-conventional-commits).
 
 9. If you realise that you need to edit a file or, update the commit message after making a commit you can do so after editing the files with: