Update README.md

Author: bookercodes

README.md

@@ -2,7 +2,7 @@
 
 Read the full tutorial here:
 
-[**>> Build a modern Android chat app with Kotlin**](https://paper.dropbox.com/doc/Build-a-modern-Android-chat-app-with-Kotlin--AXnKQvBG15aDT9uHJiOgeIblAg-RkqBGaoZOAfzHR1ARj3Hs)
+[**>> Build a modern Android chat app with Kotlin**](https://www.cometchat.com/pro/tutorials/build-a-modern-android-chat-app-with-kotlin/?utm_source=github&utm_medium=example-code-readme)
 
 This demo app shows how to build an Android group chat app with Kotlin:
 
@@ -12,23 +12,23 @@ This demo app shows how to build an Android group chat app with Kotlin:
 
 To run the demo follow these steps:
 
-1. [Create a CometChat account](https://app.cometchat.com) if you haven't already
-2. From the [dashboard](https://app.cometchat.com/#/apps), create a new app called "Kotlin Group Chat"
+1. [Head to CometChat Pro and create an account](https://cometchat.com/pro?utm_source=github&utm_medium=example-code-readme)
+2. From the [dashboard](https://app.cometchat.com/?utm_source=github&utm_medium=example-code-readme), create a new app called "Kotlin Group Chat"
 3. One created, click **Explore**
 4. Go to the **API Keys** tab and click **Create API Key**
 5. Create an API key called "Kotlin Group Chat Key" with **Full Access**
-4. Download the repository [here](https://github.com/bookercodes/kotlin-group-chat/archive/master.zip) or by running `git clone https://github.com/arthlimchiu/CometChatPro-Tutorial.git` and open it in Android Studio
-5. Update [strings.xml](https://github.com/bookercodes/kotlin-group-chat/blob/master/app/src/main/res/values/strings.xml) with your newly-created `appID` and `apiKey`
+4. Download the repository [here](https://github.com/cometchat-pro-samples/kotlin-group-chat/archive/master.zip) or by running `git clone https://github.com/cometchat-pro-samples/kotlin-group-chat.git` and open it in Android Studio
+5. Update [strings.xml](https://github.com/cometchat-pro-samples/kotlin-group-chat/blob/master/app/src/main/res/values/strings.xml) with your newly-created `appID` and `apiKey`
 6. Run the app and login with one of the test users: superhero1, superhero2, superhero3, superhero4 or superhero5
 
-Questions about running the demo? [Open an issue](https://github.com/bookercodes/kotlin-group-chat/issues). We're here to help ✌️
+Questions about running the demo? [Open an issue](https://github.com/cometchat-pro-samples/kotlin-group-chat/issues). We're here to help ✌️
 
 
 ## Useful links
 
-- 🏠 [CometChat Homepage](https://cometchat.com/pro)
-- 🚀 [Create your free account](https://app.cometchat.com/#/register)
-- 📚 [Documentation](https://prodocs.cometchat.com/docs)
+- 🏠 [CometChat Homepage](https://cometchat.com/pro?utm_source=github&utm_medium=example-code-readme)
+- 🚀 [Create your free account](https://app.cometchat.com?utm_source=github&utm_medium=example-code-readme)
+- 📚 [Documentation](https://prodocs.cometchat.com/docs?utm_source=github&utm_medium=example-code-readme)
 - 👾 [GitHub](https://github.com/CometChat-Pro)