diff --git a/src/Invoicing.md b/src/Invoicing.md
index a05a0a2..7d9cb89 100644
--- a/src/Invoicing.md
+++ b/src/Invoicing.md
@@ -76,7 +76,7 @@ with additional postings to track and save for tax owed:
 - https://en.wikipedia.org/wiki/Basis_of_accounting
 - https://plaintextaccounting.org/#invoicing
 - https://github.com/simonmichael/hledger/tree/master/examples/invoicing
-- [kairos](https://kairosdotapp.github.io) ([repo](https://github.com/kairosdotapp/kairos))
+- https://github.com/kairosdotapp/kairos
 - https://forum.plaintextaccounting.org/t/tx-for-sending-invoice-with-vat/459
 
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