Little grammar fix

Author: LucaVmu

src/pages/website/contributing.mdx

@@ -78,7 +78,7 @@ This is a good starting point for first time contributors.
 ## Writing Documentation
 
 You should always use `.mdx` instead of `.md`.  
-All folders directly in a `docs` folder must contain an `index.mdx`. These and all `.mdx` files directly in a `/docs` folder should also contain a value for `sidebar_position` in the metadata.
+All folders directly in a `docs` folder must contain an `index.mdx`. These and all `.mdx` files directly in a `docs` folder should also contain a value for `sidebar_position` in the metadata.
 
 ```mdx title="exampleDoc.mdx"
 ---