diff --git a/driver/driver.go b/driver/driver.go
index 525ee9b..1efa0b9 100644
--- a/driver/driver.go
+++ b/driver/driver.go
@@ -52,7 +52,7 @@ var (
 	machines map[string]InitFunc
 
 	ErrNotSupported    = errors.New("driver not supported")
-	ErrMachineNotExist = errors.New("machine not exist")
+	ErrMachineNotExist = errors.New("machine does not exist (Did you run `boot2docker init`?)")
 	ErrMachineExist    = errors.New("machine already exists")
 	ErrPrerequisites   = errors.New("prerequisites for machine not satisfied (hypervisor installed?)")
 )