fix: Updating procedure for namespace provisioning in advance (#2779)

* fix: Updating procedure for namespace provisioning in advance

* Update modules/administration-guide/pages/provisioning-namespaces-in-advance.adoc

Co-authored-by: Jana Vrbkova <jvrbkova@redhat.com>

* Update modules/administration-guide/pages/provisioning-namespaces-in-advance.adoc

Co-authored-by: Jana Vrbkova <jvrbkova@redhat.com>

---------

Co-authored-by: Jana Vrbkova <jvrbkova@redhat.com>

Author: ibuziuk

modules/administration-guide/pages/provisioning-namespaces-in-advance.adoc

@@ -11,7 +11,16 @@ You can provision workspaces {orch-namespace}s in advance, rather than relying o
 
 .Procedure
 
-* Create the __<{orch-namespace}_name>__ {orch-namespace} for __<username>__ user with the following labels and annotations:
+. Disable automatic namespace provisioning on the `CheCluster` level:
++
+[source,yaml,subs="+quotes,+attributes"]
+----
+devEnvironments:
+  defaultNamespace:
+    autoProvision: false
+----
+
+. Create the __<{orch-namespace}_name>__ {orch-namespace} for __<username>__ user with the following labels and annotations:
 +
 [source,yaml,subs="+quotes,+attributes"]
 ----