diff --git a/.github/workflows/codechecks.js.yml b/.github/workflows/codechecks.js.yml
index f5a4d50e..2e15c8e7 100644
--- a/.github/workflows/codechecks.js.yml
+++ b/.github/workflows/codechecks.js.yml
@@ -1,6 +1,8 @@
 # This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
 # For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
 
+# yarn cache setup from https://www.karltarvas.com/2020/12/09/github-actions-cache-yarn-install.html
+
 name: Code checks
 
 on: