UI Updates with a few minor fixups scattered here and there

internal/app/wwctl/overlay/create/root.go

@@ -6,14 +6,13 @@ import (
 
 var (
 	baseCmd = &cobra.Command{
-		Use:                "create [overlay name]",
-		Short:              "Initialize a new Overlay",
-		Long:               "Create a new Warewulf provisioning overlay",
-		RunE:				CobraRunE,
-		Args: 				cobra.ExactArgs(1),
-
+		Use:   "create [flags] <overlay name>",
+		Short: "Initialize a new Overlay",
+		Long:  "This command will create a new empty overlay.",
+		RunE:  CobraRunE,
+		Args:  cobra.ExactArgs(1),
 	}
-	SystemOverlay bool
+	SystemOverlay   bool
 	NoOverlayUpdate bool
 )