footer = oldreadme[oldreadme.index('# CONFIGURATION'):]
options = helptext[helptext.index(' General Options:') + 19:]
-options = re.sub(r'^ (\w.+)$', r'## \1', options, flags=re.M)
+options = re.sub(r'(?m)^ (\w.+)$', r'## \1', options)
options = '# OPTIONS\n' + options + '\n'
with io.open(README_FILE, 'w', encoding='utf-8') as f: