Merge pull request #51 from hiqdare/patch-1

fix error message on create visual_recognition

lib/tjbot.js

@@ -540,7 +540,7 @@ TJBot.prototype._createServiceAPI = function(service, credentials) {
             });
         } else {
             throw new Error(
-                'Missing authentication credentials for tone_analyzer service: username/password or ' +
+                'Missing authentication credentials for visual_recognition service: username/password or ' +
                 'apikey are required.');
         }
         break;