diff --git a/internal/proxy/timeouts_test.go b/internal/proxy/timeouts_test.go
index e964d57..96562e7 100644
--- a/internal/proxy/timeouts_test.go
+++ b/internal/proxy/timeouts_test.go
@@ -29,7 +29,10 @@ func TestRequestTimeouts(t *testing.T) {
 		env  map[string]string
 		// appTakesNothing has the app never read, while the client sends
 		// as fast as it can; otherwise the app reads, and the client
-		// stops sending halfway.
+		// stops sending halfway. smallwebwaf then waits on the client
+		// only once it has connected to the app and passed on the first
+		// bytes; a test process held up for shortTimeout before that
+		// gets 504, which is the right answer, and the case fails.
 		appTakesNothing bool
 		want            int
 	}{