Merge pull request #54693 from mletalie/osdocs-4069

OSDOCS-4069: Instance name changed to namespace

Author: kalexand-rh

modules/gitops-deploy-resources-different-namespaces.adoc

@@ -15,7 +15,7 @@ To allow Argo CD to manage resources in other namespaces apart from where it is
 [source,terminal]
 ----
 $ oc label namespace <namespace> \
-argocd.argoproj.io/managed-by=<instance_name> <1>
+argocd.argoproj.io/managed-by=<namespace> <1>
 ----
 <1> The namespace where Argo CD is installed.