Quoting Neil Coghlan neil@esl-lounge.com:
I've never tried to user hook_form_alter to change a form. I'd like to just add a line or two of help text to the block configuration form on the user account edit page. Is hook_form_alter even the best way to do this?
Probably this is what you want to do.
could someone just give me a pointer as to where to begin with this? Do I need to make a separate module with just the hook_form_alter in it?
Yes, if you use hook_form_alter you need a custom module.
Interestingly, D7 will now have a few lines of help text in the block config form, but I'm on D6.
This http://drupal.org/project/advanced_help might help as well.
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