Update README.md

README.md

@@ -16,15 +16,23 @@ Send notifications to Telegram about Capistrano deployments.
    $ bundle
    ```
 
-3. Require the library in your application's Capfile:
+3. Require the library in your application's `Capfile`:
 
    ```ruby
    require 'capistrano/telegram'
    ```
 
+## Prerequisites
+1. Create a new bot (refer to the official Telegram guide [here](https://core.telegram.org/bots)) and take note of the token generated.
+
+2. Include your bot in the desired chat
+
+3. To get the `chat_id`, go to: ht<span>tps://</span>api.telegram.org/bot**YOUR_BOT_TOKEN**/getUpdates
+
+
 ## Configuration
 
-1. Add these lines to your `config/deploy.rb` file:
+1. Add these lines to your application's `config/deploy.rb` file:
 
    ```ruby
    set :telegram_bot_key, 'YOUR_BOT_ID'