diff --git a/pages/tools.linux.oldmachine.md b/pages/tools.linux.oldmachine.md
index dd6f72e..fac943a 100644
--- a/pages/tools.linux.oldmachine.md
+++ b/pages/tools.linux.oldmachine.md
@@ -6,6 +6,7 @@
 ## suace
 - https://www.blackdown.org/best-lightweight-linux-distros/
 - https://itsubuntu.com/22-best-lightweight-linux-operating-systems-in-2020/
+- https://itsubuntu.com/22-best-lightweight-linux-operating-systems-in-2020/
 - https://linuxhint.com/best-old-laptop-linux-distributions/
 
 ## distros