Backend Explanation
This module offers a simple backend explanation form field (inputType).
Technical instructions
Just add the field to some of your data container arrays as follows:
$GLOBALS['TL_DCA']['tl_*']['fields']['myExplanation'] = array
(
'inputType' => 'explanation',
'eval' => array(
'text' => &$GLOBALS['TL_LANG']['tl_*']['myExplanation'], // this is a string, not an array
'class' => 'tl_info', // all contao message css classes are possible
'tl_class' => 'long'
)
);