diff --git a/client/lxd_cluster.go b/client/lxd_cluster.go
index 1add3d6aa43f..99ab677d7222 100644
--- a/client/lxd_cluster.go
+++ b/client/lxd_cluster.go
@@ -6,7 +6,7 @@ import (
 	"github.com/canonical/lxd/shared/api"
 )
 
-// GetCluster returns information about a cluster
+// GetCluster returns information about a cluster.
 //
 // If this client is not trusted, the password must be supplied.
 func (r *ProtocolLXD) GetCluster() (*api.Cluster, string, error) {