Update README.md

Author: IbrahimTareq

README.md

@@ -11,7 +11,7 @@ composer require messagemedia/webhooks-sdk
 ```
 
 ## 🎬 Get Started
-It's easy to get started. Simply enter the API Key and secret you obtained from the [MessageMedia Developers Portal](https://developers.messagemedia.com) into the code snippet below and a mobile number you wish to send to.
+It's easy to get started. Simply enter the API Key and secret you obtained from the [MessageMedia Developers Portal](https://developers.messagemedia.com) into the code snippet below.
 
 ### 🚀 Create a webhook
 ```php