diff --git a/.github/workflows/published-charms-tests.yaml b/.github/workflows/published-charms-tests.yaml
index 248f86dd6..d7430de06 100644
--- a/.github/workflows/published-charms-tests.yaml
+++ b/.github/workflows/published-charms-tests.yaml
@@ -1,3 +1,6 @@
+# To update the list of charms included here, run:
+# python .github/update-published-charms-tests-workflow.py
+
 name: Broad Charm Compatibility Tests
 
 on: