diff --git a/cmd/cmd.js b/cmd/cmd.js
index aaea0c114..ea226f5c3 100644
--- a/cmd/cmd.js
+++ b/cmd/cmd.js
@@ -94,7 +94,7 @@ class Cmd {
       .description(__('New Application'))
       .option('--simple', __('create a barebones project meant only for contract development'))
       .option('--locale [locale]', __('language to use (default: en)'))
-      .option('--template [url]', __('download template from a GitHub repository'))
+      .option('--template [name/url]', __('download a template using a known name or a GitHub repository URL'))
       .action(function(name, options) {
         i18n.setOrDetectLocale(options.locale);
         if (name === undefined) {
@@ -300,7 +300,7 @@ class Cmd {
   upload() {
     program
       .command('upload [environment]')
-      .option('--ens [ensDomain]', __('ENS domain to associate to'))
+      //.option('--ens [ensDomain]', __('ENS domain to associate to'))
       .option('--logfile [logfile]', __('filename to output logs (default: %s)', 'none'))
       .option('--loglevel [loglevel]', __('level of logging to display') + ' ["error", "warn", "info", "debug", "trace"]', /^(error|warn|info|debug|trace)$/i, 'debug')
       .option('--locale [locale]', __('language to use (default: en)'))
@@ -401,7 +401,7 @@ class Cmd {
       .action(function(cmd) {
         console.log((__('unknown command') + ' "%s"').red, cmd);
         let utils = require('../lib/utils/utils.js');
-        let dictionary = ['new', 'demo', 'build', 'run', 'blockchain', 'simulator', 'test', 'upload', 'version'];
+        let dictionary = ['new', 'demo', 'build', 'run', 'blockchain', 'simulator', 'test', 'upload', 'version', 'console', 'eject-webpack', 'graph', 'help', 'reset'];
         let suggestion = utils.proposeAlternative(cmd, dictionary);
         if (suggestion) {
           console.log((__('did you mean') + ' "%s"?').green, suggestion);
diff --git a/lib/modules/blockchain_connector/index.js b/lib/modules/blockchain_connector/index.js
index ce179cce5..8d81e48c4 100644
--- a/lib/modules/blockchain_connector/index.js
+++ b/lib/modules/blockchain_connector/index.js
@@ -140,7 +140,7 @@ class BlockchainConnector {
           self.web3._requestManager.send({method: 'web3_clientVersion', params: []}, (err, version) => {
             if (err) {
               self.isWeb3Ready = false;
-              return next(null, {name: "Ethereum node (version unknown)", status: 'on'});
+              return next(null, {name: "Ethereum node not found", status: 'off'});
             }
             if (version.indexOf("/") < 0) {
               self.events.emit(WEB3_READY);
diff --git a/lib/modules/deployment/contract_deployer.js b/lib/modules/deployment/contract_deployer.js
index fe41b3131..4a8c5ba36 100644
--- a/lib/modules/deployment/contract_deployer.js
+++ b/lib/modules/deployment/contract_deployer.js
@@ -245,7 +245,7 @@ class ContractDeployer {
           deployObject = self.blockchain.deployContractObject(contractObject, {arguments: contractParams, data: dataCode});
         } catch(e) {
           if (e.message.indexOf('Invalid number of parameters for "undefined"') >= 0) {
-            return next(new Error(__("attempted to deploy %s without specifying parameters", contract.className)));
+            return next(new Error(__("attempted to deploy %s without specifying parameters", contract.className)) + ". " + __("check if there are any params defined for this contract in this environment in the contracts configuration file"));
           }
           return next(new Error(e));
         }
@@ -267,7 +267,6 @@ class ContractDeployer {
         let estimatedCost = contract.gas * contract.gasPrice;
         self.logFunction(contract)(__("deploying") + " " + contract.className.bold.cyan + " " + __("with").green + " " + contract.gas + " " + __("gas at the price of").green + " " + contract.gasPrice + " " + __("Wei, estimated cost:").green + " " + estimatedCost + " Wei".green);
 
-
         self.blockchain.deployContractFromObject(deployObject, {
           from: contract.deploymentAccount,
           gas: contract.gas,
@@ -276,6 +275,9 @@ class ContractDeployer {
           if (error) {
             contract.error = error.message;
             self.events.emit("deploy:contract:error", contract);
+            if (error.message && error.message.indexOf('replacement transaction underpriced')) {
+              self.logger.warn("replacement transaction underpriced: This warning typically means a transaction exactly like this one is still pending on the blockchain")
+            }
             return next(new Error("error deploying =" + contract.className + "= due to error: " + error.message));
           }
           self.logFunction(contract)(contract.className.bold.cyan + " " + __("deployed at").green + " " + receipt.contractAddress.bold.cyan + " " + __("using").green + " " + receipt.gasUsed + " " + __("gas").green);