diff --git a/README.md b/README.md
index d6eca71..af1ac3c 100644
--- a/README.md
+++ b/README.md
@@ -18,4 +18,15 @@
 
 To pull upstream changes to the subtrees (e.g., for `ouexam`): `git subtree pull --prefix=ouexam --squash ouexam master`
 
+Cloning the repository will lose the subtree associations. To restore these:
+
+```sh
+git remote add -f beamerthemes https://github.com/nstanger/beamerthemes.git
+git remote add -f lectures https://github.com/nstanger/lectures.git
+git remote add -f listings https://github.com/nstanger/listings.git
+git remote add -f ouexam https://github.com/nstanger/ouexam.git
+```
+
+then update using the command above.
+
 [github]: https://github.com/nstanger "Github"