Nod to opensafely-core r-universe

README.md

@@ -75,7 +75,7 @@ problem here we'll be able to do this all in CI.)
 
 #### Under v2
 
-Add the package to _v2/packages.csv_. In this file, the first column is the package name, and the second column is for the repository. If the package is on CRAN enter the second column as an empty string otherwise enter the URL of the alternative CRAN-like repository.
+Add the package to _v2/packages.csv_. In this file, the first column is the package name, and the second column is for the repository. If the package is on CRAN simply leave the second column blank after the comma. If the package is not on CRAN please add it to the <https://opensafely-core.r-universe.dev> by adding it to the _packages.json_ file in <https://github.com/opensafely-core/opensafely-core.r-universe.dev>, then enter the relevant Linux binary package URL, likely `https://opensafely-core.r-universe.dev/bin/linux/noble/4.4/`.
 
 If the package requires any runtime dependencies add those to _v2/dependencies.txt_