diff --git a/internal/cmd/clusters.go b/internal/cmd/clusters.go
index 1f5a1fe..d8b81c7 100644
--- a/internal/cmd/clusters.go
+++ b/internal/cmd/clusters.go
@@ -28,7 +28,7 @@ func init() {
 	flag.StringVar(&clustersInventoryFile, "inventory-file", inventoryFilePath(), "Path to the inventory file that should be used by this command.")
 	flag.StringArrayVar(&clustersExcludePatterns, "exclude-cluster", nil, "Exclude clusters matching the given wildcard pattern. Can be specified multiple times to exclude multiple patterns.")
 	flag.Func("fact-selector", "Label selector to filter clusters based on their facts. Example: 'distribution=openshift4,release_channel=fast'", selectorFlagFunc(&clustersFactSelector))
-	flag.Func("dynamic-fact-selector", "Label selector to filter clusters based on their dynamic facts. Example: 'distribution=openshift4,release_channel=fast'", selectorFlagFunc(&clustersDynamicFactSelector))
+	flag.Func("dynamic-fact-selector", "Label selector to filter clusters based on their dynamic facts. Example: 'openshiftBaseDomain in (cloudscale-lpg-2.appuio.cloud,exoscale-ch-gva-2-0.appuio.cloud)'", selectorFlagFunc(&clustersDynamicFactSelector))
 	flag.VarP(&clustersOutputValue{val: &clustersOutputFormat}, "output", "o", "Output format. One of: table, json.")
 	must(clustersCmd.RegisterFlagCompletionFunc("output", cobra.FixedCompletions([]string{"table", "json"}, cobra.ShellCompDirectiveNoFileComp)))
 	must(clustersCmd.RegisterFlagCompletionFunc("exclude-cluster", completion.ClusterID(clustersInventoryFile, true, nil)))
diff --git a/internal/cmd/kubeconfig.go b/internal/cmd/kubeconfig.go
index a8cdb7f..87b1f2b 100644
--- a/internal/cmd/kubeconfig.go
+++ b/internal/cmd/kubeconfig.go
@@ -37,7 +37,7 @@ func init() {
 	flag.StringVar(&proxyAddr, "proxy-addr", defaultProxyAddr, "Address of the proxy to use in the generated kubeconfig file.")
 	flag.StringArrayVar(&clustersExcludePatterns, "exclude-cluster", nil, "Exclude clusters matching the given wildcard pattern. Can be specified multiple times to exclude multiple patterns.")
 	flag.Func("fact-selector", "Label selector to filter clusters based on their facts. Example: 'distribution=openshift4,release_channel=fast'", selectorFlagFunc(&clustersFactSelector))
-	flag.Func("dynamic-fact-selector", "Label selector to filter clusters based on their dynamic facts. Example: 'distribution=openshift4,release_channel=fast'", selectorFlagFunc(&clustersDynamicFactSelector))
+	flag.Func("dynamic-fact-selector", "Label selector to filter clusters based on their dynamic facts. Example: 'openshiftBaseDomain in (cloudscale-lpg-2.appuio.cloud,exoscale-ch-gva-2-0.appuio.cloud)'", selectorFlagFunc(&clustersDynamicFactSelector))
 	must(kubeconfigCmd.RegisterFlagCompletionFunc("exclude-cluster", completion.ClusterID(clustersInventoryFile, true, nil)))
 }
 
diff --git a/internal/cmd/shell.go b/internal/cmd/shell.go
index 5a828e4..7bd2062 100644
--- a/internal/cmd/shell.go
+++ b/internal/cmd/shell.go
@@ -98,7 +98,7 @@ func newShellCmd() *cobra.Command {
 	flag.StringSliceVar(&flags.ClusterExcludePatterns, "exclude-cluster", nil, "Exclude clusters matching the given patterns. Supports wildcards, e.g. `--exclude-cluster=c-dev-*` to exclude all clusters starting with `c-dev-`. This flag can be used multiple times to exclude multiple patterns. Useful in combination with --each to exclude certain clusters from the per-cluster execution.")
 	must(cmd.RegisterFlagCompletionFunc("exclude-cluster", completion.ClusterID(flags.InventoryFile, true, nil)))
 	flag.Func("fact-selector", "Label selector to filter clusters based on their facts. Example: 'distribution=openshift4,release_channel=fast'", selectorFlagFunc(&flags.FactSelector))
-	flag.Func("dynamic-fact-selector", "Label selector to filter clusters based on their dynamic facts. Example: 'distribution=openshift4,release_channel=fast'", selectorFlagFunc(&flags.DynamicFactSelector))
+	flag.Func("dynamic-fact-selector", "Label selector to filter clusters based on their dynamic facts. Example: 'openshiftBaseDomain in (cloudscale-lpg-2.appuio.cloud,exoscale-ch-gva-2-0.appuio.cloud)'", selectorFlagFunc(&flags.DynamicFactSelector))
 
 	return cmd
 }
diff --git a/internal/cmd/test.go b/internal/cmd/test.go
index 38d101e..1466449 100644
--- a/internal/cmd/test.go
+++ b/internal/cmd/test.go
@@ -42,7 +42,7 @@ func init() {
 	flag.StringVar(&proxyMappingFile, "mapping-file", proxyMappingFilePath(), "Path to the domain to jumphost mapping file. This file can be generated with the `update` subcommand.")
 	flag.StringArrayVar(&clustersExcludePatterns, "exclude-cluster", nil, "Exclude clusters matching the given wildcard pattern. Can be specified multiple times to exclude multiple patterns.")
 	flag.Func("fact-selector", "Label selector to filter clusters based on their facts. Example: 'distribution=openshift4,release_channel=fast'", selectorFlagFunc(&clustersFactSelector))
-	flag.Func("dynamic-fact-selector", "Label selector to filter clusters based on their dynamic facts. Example: 'distribution=openshift4,release_channel=fast'", selectorFlagFunc(&clustersDynamicFactSelector))
+	flag.Func("dynamic-fact-selector", "Label selector to filter clusters based on their dynamic facts. Example: 'openshiftBaseDomain in (cloudscale-lpg-2.appuio.cloud,exoscale-ch-gva-2-0.appuio.cloud)'", selectorFlagFunc(&clustersDynamicFactSelector))
 	must(testCmd.RegisterFlagCompletionFunc("exclude-cluster", completion.ClusterID(clustersInventoryFile, true, nil)))
 }