diff --git a/upstream/upstream_dot.go b/upstream/upstream_dot.go
index 9104b8c71..283fcafd2 100644
--- a/upstream/upstream_dot.go
+++ b/upstream/upstream_dot.go
@@ -35,7 +35,7 @@ type dnsOverTLS struct {
 	//
 	// TODO(e.burkov, ameshkov):  Currently connections just stored in FILO
 	// order, which eventually makes most of them unusable due to timeouts.
-	// This leads to weak performance for all exchanges coming accross such
+	// This leads to weak performance for all exchanges coming across such
 	// connections.
 	conns []net.Conn
 }