diff --git a/src/runtime/runtime2.go b/src/runtime/runtime2.go
index d2f9831f20..bc5b48222b 100644
--- a/src/runtime/runtime2.go
+++ b/src/runtime/runtime2.go
@@ -736,7 +736,7 @@ type itab struct {
 }
 
 // Lock-free stack node.
-// // Also known to export_test.go.
+// Also known to export_test.go.
 type lfnode struct {
 	next    uint64
 	pushcnt uintptr