For Jira, admin -> General configuration - lets you change the text for the gadget.
However, I'm confused, as your screenshot is for Confluence, and identical to your other question https://answers.atlassian.com/questions/155710/how-to-hide-thest-tabs-on-confluence-dashboard-for-anonymouse-or-all-user
Is there a reason this isn't a duplicate?
I knew how to modify.
Your new screenshot is of Jira now, but it's the bit you "knew how to modify". So what is the question?
It looks like you're new here. Sign in or register to get started.