The following tutorial explains how to edit information displayed in footer area of Text'n'Roll responsive theme on a Plone 4.2 website.
text'n'Roll Theme footer is subdivided into two parts: footer with Plone info (1) and theme credits (2) with standart Plone colophon(3).
All parts can be customized. To change footer with theme info (1), go to Zope Management Interface -> portal_view_customizations -> plone.footer. Press Customize to enable editing of the current footer and change the text. Do not forget to save the changes when you finish.
To hide theme credits (2) and Plone colophon (3) you will need to add a special class to your ploneCustom.css.
#portal-colophon {
display: none;
}
Read our tutorial on how to customize CSS stylesheets in Plone.