diff --git a/content/concepts/robustness.md b/content/concepts/robustness.md
index 6b56fa7eb2d07ccda715ce93fc430782ad685f70..44f79d3b691542e022e548d09934980ff77965e2 100644
--- a/content/concepts/robustness.md
+++ b/content/concepts/robustness.md
@@ -811,7 +811,7 @@ the filesystem is
 
 [kernel-proc]: http://www.kernel.org/doc/Documentation/filesystems/proc.txt
 
-[memory.usage_in_bytes]: http://www.kernel.org/doc/Documentation/cgroups/memory.txt
+[memory.usage_in_bytes]: http://www.kernel.org/doc/Documentation/cgroup-v1/memory.txt
 
 [NETPRIO_CGROUP]: http://lwn.net/Articles/474695/