diff --git a/models/POP/readme.rst b/models/POP/readme.rst
index f050f6082..6d8e2c87c 100644
--- a/models/POP/readme.rst
+++ b/models/POP/readme.rst
@@ -135,12 +135,13 @@ It is run by the setup scripts.
| | where the restarts from the GDEX were downloaded/stored. |
+---------------------+-----------------------------------------------------------+
-One set of variables to make sure are set correctly in this script are related to
-the SourceMods, which enable POP to recompute the barotropic velocity to prevent the
+SourceMods are required to enable POP to recompute the barotropic velocity to prevent the
barotropic solver from crashing. You can find and download the SourceMods available
-for POP-DART `here `_. Ensure that the
-environment variable use_SourceMods is set to TRUE and the environment variable
-SourceModDir matches the directory path where the SourceMods were downloaded/stored.
+for POP-DART `here `_.
+
+Put the SourceMods in your home directory:
+
+~/${cesmtag}/SourceMods
Setup scripts
~~~~~~~~~~~~~