diff --git a/src/rpcwallet.cpp b/src/rpcwallet.cpp
index e21881dbe93..2479a1f87e2 100644
--- a/src/rpcwallet.cpp
+++ b/src/rpcwallet.cpp
@@ -1747,7 +1747,7 @@ Value lockunspent(const Array& params, bool fHelp)
         throw runtime_error(
             "lockunspent unlock [{\"txid\":\"txid\",\"vout\":n},...]\n"
             "\nUpdates list of temporarily unspendable outputs.\n"
-            "Temporarily lock (lock=true) or unlock (lock=false) specified transaction outputs.\n"
+            "Temporarily lock (unlock=false) or unlock (unlock=true) specified transaction outputs.\n"
             "A locked transaction output will not be chosen by automatic coin selection, when spending bitcoins.\n"
             "Locks are stored in memory only. Nodes start with zero locked outputs, and the locked output list\n"
             "is always cleared (by virtue of process exit) when a node stops or fails.\n"