X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/3fa6aa4043286ad61e5f29c136d3cc2942e8750d..86660414472d4ff0d8267f9845a753497bd41692:/lib/config/load.go

diff --git a/lib/config/load.go b/lib/config/load.go
index acc54cf92d..fbd01488a0 100644
--- a/lib/config/load.go
+++ b/lib/config/load.go
@@ -367,7 +367,7 @@ func (ldr *Loader) checkClusterID(label, clusterID string, emptyStringOk bool) e
 	if emptyStringOk && clusterID == "" {
 		return nil
 	} else if !acceptableClusterIDRe.MatchString(clusterID) {
-		return fmt.Errorf("%s: cluster ID should be 5 alphanumeric characters", label)
+		return fmt.Errorf("%s: cluster ID should be 5 lowercase alphanumeric characters", label)
 	}
 	return nil
 }