Merge pull request #298 from cecilehannay/main

update links for monday lecture

Author: cecilehannay

notebooks/namelist/exercises/exercise_tuning_parameter.ipynb

@@ -19,7 +19,7 @@
     " \n",
     "\n",
     "In the tuning lecture, we talked about the parameter dcs:\n",
-    "http://www.cesm.ucar.edu/events/tutorials/2019/files/Specialized-hannay.pdf\n",
+    "https://www.cesm.ucar.edu/sites/default/files/2025-07/2025cesmthannay.pdf\n",
     "\n",
     "Create a case called `b1850_dcs` using the compset  ``B1850``  at ``f19_g17`` resolution. \n",
     "\n",