diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index ba3a160acd19575c0186630d371ca5d925ce08b9..f34ae27dd806fb342fe45fb98649d5bdd11e5646 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -7,3 +7,4 @@ Be nice:
  
 Don't know how to do this? [Read our guide](gitBranches.md).
  
+Need more info? Read the excellent [contributing to opensource code](https://opensource.guide/how-to-contribute/) guidance.
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