message: doc: rpc-mining: Clarify error messages
diff: @@ -444,10 +444,10 @@ static UniValue getblocktemplate(const JSONRPCRequest& request)
  throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");
  if (g_connman->GetNodeCount(CConnman::CONNECTIONS_ALL) == 0)
  - throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, "Bitcoin is not connected!");
  + throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, PACKAGE_NAME " is not connected!");
  if (IsInitialBlockDownload())
  - throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD, "Bitcoin is downloading blocks...");
  + throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD, PACKAGE_NAME " is in initial sync and waiting for blocks...");
  static unsigned int nTransactionsUpdatedLast;
  