diff --git a/nomad/structs/structs.go b/nomad/structs/structs.go
index fb783dc4a..a67813f70 100644
--- a/nomad/structs/structs.go
+++ b/nomad/structs/structs.go
@@ -1630,7 +1630,7 @@ func (tg *TaskGroup) Validate() error {
 			mErr.Errors = append(mErr.Errors, err)
 		}
 	} else {
-		mErr.Errors = append(mErr.Errors, fmt.Errorf("Task Group %v should have a ephemeral disk object", tg.Name))
+		mErr.Errors = append(mErr.Errors, fmt.Errorf("Task Group %v should have an ephemeral disk object", tg.Name))
 	}
 
 	// Check for duplicate tasks
diff --git a/nomad/structs/structs_test.go b/nomad/structs/structs_test.go
index 324a16136..a6e3ad3f7 100644
--- a/nomad/structs/structs_test.go
+++ b/nomad/structs/structs_test.go
@@ -345,7 +345,7 @@ func TestTaskGroup_Validate(t *testing.T) {
 
 	err = tg.Validate()
 	mErr = err.(*multierror.Error)
-	if !strings.Contains(mErr.Errors[0].Error(), "should have a local disk object") {
+	if !strings.Contains(mErr.Errors[0].Error(), "should have an ephemeral disk object") {
 		t.Fatalf("err: %s", err)
 	}
 	if !strings.Contains(mErr.Errors[1].Error(), "2 redefines 'web' from task 1") {