Change the label in the addnote button

gfroms-examples.php

//Adding a custom ID and change label
function modify_addnote_button_gforms() {
	$new_addnote_button = '<input type="submit" id="my-custom-addnote-styles" name="add_note" value="' . esc_attr__( 'Create Note', 'gravityforms' ) . '" class="button" style="width:auto;padding-bottom:2px;" onclick="jQuery(\'#action\').val(\'add_note\');"/>';
	return $new_addnote_button;
}
add_filter('gform_addnote_button', 'modify_addnote_button_gforms');