If you’re building a site for a client and they have some problems with some parts of the dashboard, a good idea is to provide contextual help to the client.
The following hack will allow you to add a custom help messages for the blog admin.

The code have to be pasted into your functions.php file in order to work. Please edit line 4 with the desired help message.

 function my_admin_help($text, $screen) { 	// Check we're only on my Settings page 	if (strcmp($screen, MY_PAGEHOOK) == 0 ) { 		$text = 'Here is some very useful information to help you use this plugin...'; 		return $text; 	} 	// Let the default WP Dashboard help stuff through on other Admin pages 	return $text; }  add_action( 'contextual_help', 'my_admin_help' ); 

Thanks to Studio Grasshopper for the code!