diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 00aa7c8..6df7e94 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -5,6 +5,7 @@
 # 2021-11-26: (JCT): Reusable workflow
 # 2022-01-28: (JCT): add auto-create gh-pages if it doesn't exist
 # 2023-01-22: (JCT): use checkout action v3, and JamesIves/github-pages-deploy-action@v4
+# 2023-09-14: (JCT): add package cache folder argument
 
 
 # Make sure your repo has a branch called gh-pages