diff --git a/tools/testing/selftests/vm/protection_keys.c b/tools/testing/selftests/vm/protection_keys.c
index fc19addcb5c8..fdbb602ecf32 100644
--- a/tools/testing/selftests/vm/protection_keys.c
+++ b/tools/testing/selftests/vm/protection_keys.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Tests Memory Protection Keys (see Documentation/vm/protection-keys.txt)
+ * Tests Memory Protection Keys (see Documentation/core-api/protection-keys.rst)
  *
  * There are examples in here of:
  *  * how to set protection keys on memory