Resolved mangoose warning, correct typo

Author: maitraysuthar

.env.example

@@ -8,7 +8,7 @@ JWT_SECRET=YourSecret
 
 JWT_TIMEOUT_DURATION="2 hours"
 # You can place duration available here: https://github.com/auth0/node-jsonwebtoken#usage
-# Seach for "expiresIn" option on above link.
+# Search for "expiresIn" option on above link.
 
 EMAIL_SMTP_HOST=YourSMTPHost
 EMAIL_SMTP_PORT=YourSMTPPort

app.js

@@ -11,7 +11,7 @@ var cors = require("cors");
 // DB connection
 var MONGODB_URL = process.env.MONGODB_URL;
 var mongoose = require("mongoose");
-mongoose.connect(MONGODB_URL, { useNewUrlParser: true }).then(() => {
+mongoose.connect(MONGODB_URL, { useNewUrlParser: true, useUnifiedTopology: true }).then(() => {
 	//don't show the log when it is test
 	if(process.env.NODE_ENV !== "test") {
 		console.log("Connected to %s", MONGODB_URL);