diff --git a/archiver_test.go b/archiver_test.go
index 5ea5329b..305030f7 100644
--- a/archiver_test.go
+++ b/archiver_test.go
@@ -86,7 +86,7 @@ func testMakeOpen(t *testing.T, name string, ar Archiver) {
 
 // testMakeOpenWithDestinationEndingInSlash is similar to testMakeOpen except that
 // it tests the case where destination path has a terminating forward slash especially
-// on Windows os. 
+// on Windows os.
 func testMakeOpenWithDestinationEndingInSlash(t *testing.T, name string, ar Archiver) {
 	tmp, err := ioutil.TempDir("", "archiver")
 	if err != nil {