diff --git a/src/cmd/compile/internal/ir/node.go b/src/cmd/compile/internal/ir/node.go
index 4fdee5010b..5fdccf8927 100644
--- a/src/cmd/compile/internal/ir/node.go
+++ b/src/cmd/compile/internal/ir/node.go
@@ -471,7 +471,7 @@ const (
 	UintptrEscapes              // pointers converted to uintptr escape
 
 	// Runtime-only func pragmas.
-	// See ../../../../runtime/README.md for detailed descriptions.
+	// See ../../../../runtime/HACKING.md for detailed descriptions.
 	Systemstack        // func must run on system stack
 	Nowritebarrier     // emit compiler error instead of write barrier
 	Nowritebarrierrec  // error on write barrier in this or recursive callees