I had limited a field in our 'Alternator' content type to 50 characters. Our client wanted the field to be bigger, and Drupal by default says, "

This is the solution I applied, in template.php:

http://nathan.rambeck.org/blog/42-modify-drupal-7-text-field-maximum-length

I renamed the methods to match the template. Then I called the function in an inconspicuous place on the site. It worked like a charm.