Fix remarks on __uacme_account.

type/__uacme_account/man.rst

@@ -8,8 +8,10 @@ cdist-type__uacme_account - Install uacme and register Let's Encrypt account.
 
 DESCRIPTION
 -----------
+
 This type is used to bootstrap acquiring certificates from the Let's Encrypt
-C.A. This type is expected to be used internally, by the `__uacme_obtain`.
+C.A by creating an account and accepting terms of use. The
+`cdist-type__uacme_obtain(7)` type instances expect to depend on this type.
 
 
 OPTIONAL PARAMETERS

type/__uacme_account/manifest

@@ -1,3 +1,14 @@
 #!/bin/sh
 
-__package uacme
+os="$(cat "${__global:?}"/explorer/os)"
+
+case "$os" in
+	"alpine"|"debian"|"ubuntu")
+		uacme_package=uacme
+		;;
+	*)
+		echo "__uacme_account is not yet implemented for os $os. Aborting." >&2;
+		exit 1;
+esac
+
+__package $uacme_package