Custom field "help" text removal

Hello,

I want to remove the help text that is displayed under custom fields,
such as “Enter one value”. I have grep’ed for this field and apart from
the .po translation files, this phrase appears in
/opt/rt3/lib/RT/CustomField_Overlay.pm. Does anyone know if it’s safe
or advisable to edit this file to remove the text? If not, how can I
remove this text?

Thanks in advance,

Stewart
Stewart Tranter
Computing Services
Loughborough University

E: s.g.tranter@lboro.ac.uk
W: http://www.lboro.ac.uk/computing/
T: +44 (0) 1509 223719
F: +44 (0) 1509 223989