Marketo recently rolled out a new feature that allows you to distinguish between your production instance and sandbox instance with a name in the upper left hand corner by the Marketo logo. However, they make it very difficult to actually EDIT the name.
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![Screen Shot 2016-06-22 at 2.20.20 PM.png Screen Shot 2016-06-22 at 2.20.20 PM.png](/t5/image/serverpage/image-id/24989i816195BB7D6B23DB/image-size/large?v=v2&px=999)