Customizing the metamodel : Keywords for USRPROPS : HELP
  
HELP
This is the string that is displayed on the status line in the lower left-hand corner of a Diagram or Definition dialog when a given property is selected.
Syntax
HELP "<text_string>"
Example
PROPERTY Length
{ EDIT Numeric LENGTH 2 MIN 1 MAX 99
HELP "Length of this field"
}