fix: improve NotEnoughCoinsForMaker error message

jmclient/jmclient/wallet_rpc.py

@@ -318,7 +318,7 @@ class JMWalletDaemon(Service):
     def not_enough_coins(self, request, failure):
         # as above, 409 may not be ideal
         request.setResponseCode(409)
-        return self.err(request, "Maker could not start, no coins.")
+        return self.err(request, "Maker could not start, no confirmed coins.")
 
     @app.handle_errors(YieldGeneratorDataUnreadable)
     def yieldgenerator_report_unavailable(self, request, failure):
@@ -1025,4 +1025,4 @@ class JMWalletDaemon(Service):
             if not self.wallet_name == walletname:
                 raise InvalidRequestFormat()
             seedphrase, _ = self.services["wallet"].get_mnemonic_words()
-            return make_jmwalletd_response(request, seedphrase=seedphrase)
+            return make_jmwalletd_response(request, seedphrase=seedphrase)