diff --git a/test/ken/chan1.go b/test/ken/chan1.go
index 798b058ce4..cbd21a3d69 100644
--- a/test/ken/chan1.go
+++ b/test/ken/chan1.go
@@ -4,7 +4,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// Test communication with multiple simultanous goroutines.
+// Test communication with multiple simultaneous goroutines.
 
 package main