Updated README file.

src/config.js

@@ -1,10 +1,12 @@
+// Note: the formatting are really sensitive so for example DO NOT end
+// the "STORAGE_LOCATION" path with an extra slash "/" (i.e. "/home/")
 module.exports = {
     "API": {
-        "ADDRESS": "http://192.168.1.7",
-        "PORT": 5000,
-        "MONGODB_URI": "mongodb://localhost:27017",
-        "DB_NAME": "sample_db",
-        "COLLECTION_NAME": "list",
-        "STORAGE_LOCATION": "/home/danny/Documents"
+        "ADDRESS": "http://192.168.1.7", // IP address of the computer which LinkWarden is running
+        "PORT": 5000, // The api port
+        "MONGODB_URI": "mongodb://localhost:27017", // MongoDB link
+        "DB_NAME": "sample_db", // MongoDB database name
+        "COLLECTION_NAME": "list", // MongoDB collection name
+        "STORAGE_LOCATION": "/home/danny/Documents" // The path to store the archived data
     }
 }