clarify abortrescan rpc use

src/wallet/rpcdump.cpp

@@ -165,7 +165,7 @@ UniValue abortrescan(const JSONRPCRequest& request)
     if (request.fHelp || request.params.size() > 0)
         throw std::runtime_error(
             "abortrescan\n"
-            "\nStops current wallet rescan triggered e.g. by an importprivkey call.\n"
+            "\nStops current wallet rescan triggered by an RPC call, e.g. by an importprivkey call.\n"
             "\nExamples:\n"
             "\nImport a private key\n"
             + HelpExampleCli("importprivkey", "\"mykey\"") +