diff --git a/doc/OVERLAYS.org b/doc/OVERLAYS.org
index 98687b7..1e6cf8f 100644
--- a/doc/OVERLAYS.org
+++ b/doc/OVERLAYS.org
@@ -64,6 +64,10 @@ Verify the setup:
 
 This basically means that modules will be searched in both paths, with overlay taking precedence.
 
+** Installing with =--use-pep517=
+
+See here for discussion https://github.com/seanbreckenridge/reorder_editable/issues/2, but TLDR it should work similarly.
+
 * Testing runtime behaviour (editable install)
 
 : $ python3 -c 'import my.reddit as R; print(R.upvotes())'
diff --git a/doc/overlays/install_packages.sh b/doc/overlays/install_packages.sh
index 3fc38d3..5853e08 100755
--- a/doc/overlays/install_packages.sh
+++ b/doc/overlays/install_packages.sh
@@ -1,4 +1,4 @@
 #!/bin/bash
 set -eux
-pip3 install --user -e overlay/
-pip3 install --user -e main/
+pip3 install --user "$@" -e main/
+pip3 install --user "$@" -e overlay/