diff --git a/bip-0371.mediawiki b/bip-0371.mediawiki
index 611a8116..a0619625 100644
--- a/bip-0371.mediawiki
+++ b/bip-0371.mediawiki
@@ -243,7 +243,7 @@ The following are valid PSBTs:
 
 ==Reference implementation==
 
-The reference implementation of the PSBT format is available at TBD.
+The reference implementation of the PSBT format is available at https://github.com/achow101/bitcoin/tree/taproot-psbt.
 
 ==Acknowledgements==