diff --git a/miner/worker_test.go b/miner/worker_test.go
index 587d83d95e..e98e1afe1f 100644
--- a/miner/worker_test.go
+++ b/miner/worker_test.go
@@ -291,7 +291,7 @@ func testEmptyWork(t *testing.T, chainConfig *params.ChainConfig, engine consens
 	}
 	w.skipSealHook = func(task *task) bool { return true }
 	w.fullTaskHook = func() {
-		// Arch64 unit tests are running in a VM on travis, they must
+		// Aarch64 unit tests are running in a VM on travis, they must
 		// be given more time to execute.
 		time.Sleep(time.Second)
 	}