fix typo in README.md

Author: StanislavMayorov

README.md

@@ -27,7 +27,7 @@ Adapty SDK is an open-source framework that makes implementing in-app subscripti
 
 ## Why Adapty?
 
-- [No server code implementation](https://adapty.io/docs/sdk-installation-reactnative?utm_source=github&utm_medium=referral&utm_campaign=AdaptySDK-React-Native). integrate in-app purchases with server-side receipt validation in minutes — in your own paywall or one created in the no-code builder.
+- [No server code implementation](https://adapty.io/docs/sdk-installation-reactnative?utm_source=github&utm_medium=referral&utm_campaign=AdaptySDK-React-Native). Integrate in-app purchases with server-side receipt validation in minutes — in your own paywall or one created in the no-code builder.
 - [No-code paywall builder](https://adapty.io/docs/adapty-paywall-builder?utm_source=github&utm_medium=referral&utm_campaign=AdaptySDK-React-Native). Create a beautiful, natively rendered paywall in the no-code editor and display it in your app to start getting paid instantly.
 - [On-the-fly paywalls price testing](https://docs.adapty.io/v3.0/docs/ab-tests?utm_source=github&utm_medium=referral&utm_campaign=AdaptySDK-React-Native). Test different prices, duration, offers, messages, and designs simultaneously, all without new app releases.
 - [Beautiful onboardings](https://adapty.io/docs/onboardings?utm_source=github&utm_medium=referral&utm_campaign=AdaptySDK-React-Native). Design onboardings in the no-code editor and guide users through their first app experience.