add vault warning (1/?)

Author: nazunalika

docs/rocky/repo.md

@@ -86,9 +86,12 @@ All SIG repositories can be found [here](https://dl.rockylinux.org/pub/sig)
 
 ## Vault
 
-Previous releases, including ISOs and other images, are typically moved into a vault area of our tier 0 mirror once a new minor release version is available for at least a week. The vault can be found [here](https://dl.rockylinux.org/vault/rocky).
+The vault is a historic archive of previous Rocky Linux releases. These previous releases, including ISOs and other images, are typically moved into the vault area of our tier 0 mirror between a day and a week once a new minor release version is available. The vault can be found [here](https://dl.rockylinux.org/vault/rocky).
 
-Note that these versions are not supported and not recommended for general use.
+!!! warning
+    The vault is meant as a historic archive of previous releases of Rocky Linux. These are versions that are NOT supported and NOT recommended for general use as they contain unfixed bugs and unpatched security vulnerabilities.
+
+    The community may not be able to assist you with issues with these releases, so it is recommended that you keep your systems up to date.
 
 ## Community Approved Repositories