diff --git a/eth/downloader/api.go b/eth/downloader/api.go
index ac175672a0..7b3effbe6f 100644
--- a/eth/downloader/api.go
+++ b/eth/downloader/api.go
@@ -28,7 +28,7 @@ import (
 )
 
 // DownloaderAPI provides an API which gives information about the current
-// synchronisation status. It offers only methods that operates on data that
+// synchronization status. It offers only methods that operates on data that
 // can be available to anyone without security risks.
 type DownloaderAPI struct {
 	d                         *Downloader