Update lib/validation/validation.go

Co-authored-by: W. Trevor King <wking@tremily.us>

Author: hongkailiu

lib/validation/validation.go

@@ -35,7 +35,7 @@ func ValidateClusterVersion(config *configv1.ClusterVersion, shouldReconcileAcce
 		case !shouldReconcileAcceptRisks && len(u.AcceptRisks) > 0:
 			errs = append(errs, field.Required(field.NewPath("spec", "desiredUpdate", "acceptRisks"), "acceptRisks must not be specified"))
 		case len(u.Architecture) == 0 && len(u.Version) == 0 && len(u.Image) == 0 && len(u.AcceptRisks) == 0:
-			errs = append(errs, field.Required(field.NewPath("spec", "desiredUpdate"), "must specify architecture, version, image, acceptRisks"))
+			errs = append(errs, field.Required(field.NewPath("spec", "desiredUpdate"), "must specify architecture, version, image, or acceptRisks"))
 		case len(u.Architecture) == 0 && len(u.Version) == 0 && len(u.Image) == 0 && !shouldReconcileAcceptRisks:
 			errs = append(errs, field.Required(field.NewPath("spec", "desiredUpdate"), "must specify architecture, version, or image"))
 		case len(u.Version) > 0 && !validSemVer(u.Version):