Merge pull request #199 from cgwalters/install-minor

docs/install: two minor tweaks

docs/install.md

@@ -13,6 +13,8 @@ There is a `root` user present, but its password is locked.
 
 Many people who just want to "try things out" will find it easiest to start
 with [the cloud image](https://github.com/CentOS/centos-bootc-layered/tree/main/cloud).
+(It's a separate container image because cloud-init does not work on every deployment
+ target, and it also serves as an effective demonstration of layering)
 
 The [bootc playground](https://github.com/vrothberg/bootc-playground) repository
 helps automate this.
@@ -33,13 +35,10 @@ passwords. This means that in contrast to what was said just before, it's
 possible to directly install (and update from) an "unconfigured base image"
 provided by this project.
 
-This hinges on the
-[ostreecontainer](https://pykickstart.readthedocs.io/en/latest/kickstart-docs.html#ostreecontainer)
-kickstart verb, which is new in Fedora 38; for example, there is a
-[netinst.iso](https://dl.fedoraproject.org/pub/fedora/linux/releases/39/Everything/x86_64/iso/)
-which can be scripted with kickstart. Because a current development target for
-this project is [Fedora ELN](https://docs.fedoraproject.org/en-US/eln/), it's
-also supported to use the ISO generated by that project.
+Because a current development target for this project is [Fedora ELN](https://docs.fedoraproject.org/en-US/eln/),
+which includes the latest support for `bootupd`, it's recommended to use
+that ISO at this time.  The support for `ostreecontainer` does not
+yet exist in CentOS Stream 9.
 
 See [example.ks](example.ks) for an example Kickstart file. The
 [virt-install --initrd-inject](https://github.com/virt-manager/virt-manager/blob/main/man/virt-install.rst#--initrd-inject)