diff --git a/metropolis/pkg/combinectx/combinectx.go b/metropolis/pkg/combinectx/combinectx.go
index 5df4ff0..3ff1d72 100644
--- a/metropolis/pkg/combinectx/combinectx.go
+++ b/metropolis/pkg/combinectx/combinectx.go
@@ -18,8 +18,8 @@
 // parent contexts is Done().
 func Combine(a, b context.Context) context.Context {
 	c := &Combined{
-		a: a,
-		b: b,
+		a:     a,
+		b:     b,
 		doneC: make(chan struct{}),
 	}
 	go c.run()
@@ -180,5 +180,3 @@
 	}
 	return nil
 }
-
-
diff --git a/metropolis/pkg/combinectx/combinectx_test.go b/metropolis/pkg/combinectx/combinectx_test.go
index b7f2625..04efb2c 100644
--- a/metropolis/pkg/combinectx/combinectx_test.go
+++ b/metropolis/pkg/combinectx/combinectx_test.go
@@ -103,4 +103,3 @@
 		t.Errorf("ctx.Err().Unwrap() should be %v, got %v", want, got)
 	}
 }
-
diff --git a/metropolis/pkg/combinectx/example_test.go b/metropolis/pkg/combinectx/example_test.go
index a6bb3aa..f0cd70f 100644
--- a/metropolis/pkg/combinectx/example_test.go
+++ b/metropolis/pkg/combinectx/example_test.go
@@ -16,7 +16,7 @@
 	// some long-term local worker context, while the second is a context from some
 	// incoming request.
 	ctxA, cancelA := context.WithCancel(context.Background())
-	ctxB, cancelB := context.WithTimeout(context.Background(), time.Millisecond * 100)
+	ctxB, cancelB := context.WithTimeout(context.Background(), time.Millisecond*100)
 	defer cancelA()
 	defer cancelB()