PublisherDisplayName in appmanifest.xml windows8.1 app

I am trying to build a windows 8.1 app. Everything is working fine. I am trying to upload the app to windows store. Now i get this error

Package acceptance validation error: The PublisherDisplayName element in the app manifest of

I understand that the value in PublisherDisplayName tag is ionicframework. This is not correct. I don’t see a tag like that in config.xml.

how do i change that value?

Thanks in advance.