upstream: actually add doc

AdguardTeam · Dec 27, 2023 · 648565d · 648565d
1 parent baa4e60
commit 648565d
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/upstream/upstream.go b/upstream/upstream.go
@@ -304,6 +304,7 @@ func logFinish(addr string, n network, err error) {
 	logRoutine("dnsproxy: %s: response received over %s: %q", addr, n, status)
 }
 
+// isTimeout returns true if err is a timeout error.
 func isTimeout(err error) (ok bool) {
 	if errors.Is(err, context.DeadlineExceeded) {
 		return true