diff --git a/docs/references/protocol/transactions/types/mptokenauthorize.md b/docs/references/protocol/transactions/types/mptokenauthorize.md
index 31e1c70c52..6b84b3c84d 100644
--- a/docs/references/protocol/transactions/types/mptokenauthorize.md
+++ b/docs/references/protocol/transactions/types/mptokenauthorize.md
@@ -7,6 +7,7 @@ labels:
 ---
 
 # MPTokenAuthorize
+[[Source]](https://github.com/XRPLF/rippled/blob/master/src/xrpld/app/tx/detail/MPTokenAuthorize.cpp "Source")
 
 {% partial file="/docs/_snippets/mpts-disclaimer.md" /%}