diff --git a/examples/cli/CLI.ps1 b/examples/cli/CLI.ps1
index 81adb7a..6d30666 100644
--- a/examples/cli/CLI.ps1
+++ b/examples/cli/CLI.ps1
@@ -18,6 +18,7 @@
 param(
     [switch]$help,
     [switch]$interactive,
+    [ValidateSet('basic', 'banana', 'potato')]
     [String]$kind = 'banana',
     [String[]]$script = @()
 )