diff --git a/README.md b/README.md
index ccf67ea..9c0f154 100644
--- a/README.md
+++ b/README.md
@@ -4,16 +4,18 @@
 Chat app to talk in group or to strangers
 
 ## Running
-Export SALT as environment variable to use as salt for hashing, and TENOR_API_KEY for gifs support in the server.
+Create a `config.json` file for configuring the server with all the required options like `salt` and `tenor_api` etc.
+An example config file `config.json.example` has been provided with all currently supported options, one can copy the example file as `config.json`
+and put appropriate values for the given options to get the config file ready for use.
 
 ```
-SALT="<salt>" TENOR_API_KEY="API-KEY" lupt --bind_address <interface address>:<port> --static_path <static files dir>
+lupt -a <interface address> -p <port> -s <static files dir> -c <config.json path>
 ```
 
 Example:
 
 ```
-SALT="sometext" TENOR_API_KEY="API-KEY" lupt --bind_address 0.0.0.0:8080 --static_path ./static
+lupt -a 0.0.0.0 -p 8080 -s ./static -c config.json
 ```
 
 ## Building