diff --git a/doc/source/index.rst b/doc/source/index.rst
index 4f7d4e9c..be171a76 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -22,7 +22,7 @@ See Also
 ========
 
 * `MontePy github Repository <https://github.com/idaholab/montepy>`_ 
-* `MCNP 6.2 User Manual <https://laws.lanl.gov/vhosts/mcnp.lanl.gov/pdf_files/la-ur-17-29981.pdf>`_
+* `MCNP 6.2 User Manual <https://mcnp.lanl.gov/pdf_files/TechReport_2017_LANL_LA-UR-17-29981_WernerArmstrongEtAl.pdf>`_
 * `MCNP 6.3 User Manual <https://mcnp.lanl.gov/pdf_files/TechReport_2022_LANL_LA-UR-22-30006Rev.1_KuleszaAdamsEtAl.pdf>`_
 
 Indices and tables