[OpenSIPS-Devel] [OpenSIPS/opensips] 255b7b: Fixed titles of some code examples in nathelper docs.

[Jasper Hafkenscheid]

  Branch: refs/heads/2.4
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 255b7bb480bcda80f4aa736679d182ede2b77eb1
      https://github.com/OpenSIPS/opensips/commit/255b7bb480bcda80f4aa736679d182ede2b77eb1
  Author: Jasper Hafkenscheid <hafkensite at users.noreply.github.com>
  Date:   2020-03-11 (Wed, 11 Mar 2020)

  Changed paths:
    M modules/nathelper/doc/nathelper_admin.xml

  Log Message:
  -----------
  Fixed titles of some code examples in nathelper docs.

(cherry picked from commit cea688535fc7dc355ac78dc57613f3686f1c85fe)