diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 859349052..6eeafd012 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -2653,12 +2653,15 @@ UniValue z_listlockunspent(const UniValue& params, bool fHelp, const CPubKey& my
     if (fHelp || params.size() > 0)
         throw runtime_error(
             "z_listlockunspent\n"
-            "\nReturns list of temporarily unspendable outputs.\n"
+            "\nReturns list of temporarily locked shielded outputs which are currently unspendable. They are locked\n"
+            "\nbecause they are currently in the process of being spent by an operation such as z_sendmany/z_mergetoaddress/etc.\n"
+            "\nIf that operation succeeds, they will become spent. If it fails they will be unlocked and become\n"
+            "\nspendable again.\n"
             "\nResult:\n"
             "[\n"
             "  {\n"
-            "    \"txid\" : \"transactionid\",     (string) The transaction id locked\n"
-            "    \"vout\" : n                      (numeric) The vout value\n"
+            "    \"txid\"     : \"transactionid\",     (string) The transaction id locked\n"
+            "    \"outindex\" : n                      (integer) The shielded output index\n"
             "  }\n"
             "  ,...\n"
             "]\n"
@@ -2678,7 +2681,7 @@ UniValue z_listlockunspent(const UniValue& params, bool fHelp, const CPubKey& my
         UniValue o(UniValue::VOBJ);
 
         o.push_back(Pair("txid", op.hash.GetHex()));
-        o.push_back(Pair("n", (int) op.n));
+        o.push_back(Pair("outindex", (int) op.n));
         ret.push_back(o);
     }