org-descriptive-links

org-descriptive-links is a variable defined in `org.el'.
Its value is

t

Documentation:
Non-nil means Org will display descriptive links.
E.g. [[http://orgmode.org][Org website]] will be displayed as
"Org Website", hiding the link itself and just displaying its
description. When set to `nil', Org will display the full links
literally.

You can interactively set the value of this variable by calling
`org-toggle-link-display' or from the menu Org>Hyperlinks menu.

You can customize this variable.