diff --git a/doc/payment-api.md b/doc/payment-api.md
index c4127b22..5dc0eb90 100644
--- a/doc/payment-api.md
+++ b/doc/payment-api.md
@@ -55,7 +55,7 @@ Command | Parameters | Description
--- | --- | ---
z_getnewaddress | | Return a new zaddr for sending and receiving payments. The spending key for this zaddr will be added to the node’s wallet.
Output:
zN68D8hSs3...
z_listaddresses | | Returns a list of all the zaddrs in this node’s wallet for which you have a spending key.
Output:
{ [“z123…”, “z456...”, “z789...”] }
-z_validateaddress | | Return information about a given zaddr.
Output:
{"isvalid" : true,
"address" : "zcWsmq...",
"payingkey" : "f5bb3c...",
"transmissionkey" : "7a58c7...",
"ismine" : true}
+z_validateaddress | zaddr | Return information about a given zaddr.
Output:
{"isvalid" : true,
"address" : "zcWsmq...",
"payingkey" : "f5bb3c...",
"transmissionkey" : "7a58c7...",
"ismine" : true}
### Key Management