chore: Update MobileSDK_To_AmplifyAndroid.md

Author: harsh62

documents/MobileSDK_To_AmplifyAndroid.md

@@ -8,7 +8,7 @@ Choosing Amplify Android could lead to quicker development, plus applications th
 
 | AWS SDK For Android                                                                                                     | Amplify Android                                                                                                                                                                                           |
 |-------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| [SignUp](https://docs.amplify.aws/android/sdk/auth/working-with-api/#signup)                                            | [Sign Up](https://docs.amplify.aws/android/sdk/auth/working-with-api/#signup)                                                                                                                             |
+| [SignUp](https://docs.amplify.aws/android/sdk/auth/working-with-api/#signup)                                            | [Sign Up]([https://docs.amplify.aws/android/sdk/auth/working-with-api/#signup](https://docs.amplify.aws/android/build-a-backend/auth/enable-sign-in/#register-a-user))                                                                                                                             |
 | [Confirm SignUp](https://docs.amplify.aws/android/sdk/auth/working-with-api/#confirm-signup)                            | [Confirm SignUp](https://docs.amplify.aws/android/build-a-backend/auth/enable-sign-in/#register-a-user)                                                                                                   |
 | [Sign In](https://docs.amplify.aws/android/sdk/auth/working-with-api/#signin)                                           | [Sign In](https://docs.amplify.aws/android/build-a-backend/auth/enable-sign-in/#sign-in-a-user)                                                                                                           |
 | [Guest Access](https://docs.amplify.aws/android/sdk/auth/guest-access/)                                                 | [Guest Access](https://docs.amplify.aws/android/build-a-backend/auth/enable-guest-access/)                                                                                                                |