diff --git a/server/cancelled_stateless_test.go b/server/cancelled_stateless_test.go
index b8011a9..6f927b0 100644
--- a/server/cancelled_stateless_test.go
+++ b/server/cancelled_stateless_test.go
@@ -24,6 +24,6 @@ func TestStatelessCancelledNotificationIgnored(t *testing.T) {
 
 	// sessionID "" => no session (stateless); must be ignored, returning nil.
 	if err := s.handleNotifyWithCancelled("", params); err != nil {
-		t.Fatalf("stateless cancelled notification: got err %v, want nil (ignored)", err)
+		t.Fatalf("stateless cancellation notification: got err %v, want nil (ignored)", err)
 	}
 }