Make Wolfi info more prominent

docs/reference/setup/install/docker.asciidoc

@@ -25,6 +25,21 @@ TIP: This setup doesn't run multiple {es} nodes or {kib} by default. To create a
 multi-node cluster with {kib}, use Docker Compose instead. See
 <<docker-compose-file>>.
 
+[[docker-wolfi-hardened-image]]
+===== Hardened Docker images
+
+You can also use the hardened https://wolfi.dev/[Wolfi] image for additional security.
+Using Wolfi images requires Docker version 20.10.10 or higher.
+
+To use the Wolfi image, append `-wolfi` to the image tag in the Docker command.
+
+For example:
+
+[source,sh,subs="attributes"]
+----
+docker pull {wolfi-docker-image}
+----
+
 ===== Start a single-node cluster
 
 . Install Docker. Visit https://docs.docker.com/get-docker/[Get Docker] to
@@ -54,17 +69,6 @@ docker pull {docker-image}
 ----
 // REVIEWED[DEC.10.24]
 --
-+
-[TIP]
-====
-Alternatively, you can use the hardened https://wolfi.dev/[Wolfi] image for additional security.
-Using Wolfi images requires Docker version 20.10.10 or higher.
-
-[source,sh,subs="attributes"]
-----
-docker pull docker.elastic.co/elasticsearch/elasticsearch-wolfi:{version}
-----
-====
 
 . Optional: Install
 https://docs.sigstore.dev/cosign/system_config/installation/[Cosign] for your