diff --git a/cluster/container.go b/cluster/container.go
index b2122060bb..447c3628b8 100644
--- a/cluster/container.go
+++ b/cluster/container.go
@@ -21,7 +21,7 @@ func (c *Container) Refresh() (*Container, error) {
 	return c.Engine.refreshContainer(c.Id, true)
 }
 
-// Containers represents a list a containers
+// Containers represents a list of containers
 type Containers []*Container
 
 // Get returns a container using its ID or Name