diff --git a/making.md b/making.md
index 23ca1a5..45f5cfa 100644
--- a/making.md
+++ b/making.md
@@ -46,6 +46,7 @@
 ## Calibration guides
 
 * [J3DTech Guide to Resin 3D Printing - Google Docs](https://docs.google.com/document/d/1aoMSE6GBGMcoYXNGfPP9s_Jg8vr1wQmmZuvqP3suago/edit?tab=t.0#heading=h.gjdgxs)
+* [Printer Calibration – Lychee Documentation](https://doc.mango3d.io/doc/printer-calibration/)
 
 [//begin]: # "Autogenerated link references for markdown compatibility"
 [2025-06-15]: 2025-06-15.md "2025-06-15"