diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
index 370ae8e4d..20bc72f51 100644
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -1135,7 +1135,7 @@ static UniValue testmempoolaccept(const JSONRPCRequest& request)
             "Sign the transaction, and get back the hex\n"
             + HelpExampleCli("signrawtransactionwithwallet", "\"myhex\"") +
             "\nTest acceptance of the transaction (signed hex)\n"
-            + HelpExampleCli("testmempoolaccept", "\"signedhex\"") +
+            + HelpExampleCli("testmempoolaccept", "[\"signedhex\"]") +
             "\nAs a JSON-RPC call\n"
             + HelpExampleRpc("testmempoolaccept", "[\"signedhex\"]")
             );