[zanata/zanata-server] 75d713: Fix the format

[GitHub]

  Branch: refs/heads/ZNTA-1169-overlay
  Home:   https://github.com/zanata/zanata-server
  Commit: 75d713bc5dccb8f4adb45b66931c0a88f1277161
      https://github.com/zanata/zanata-server/commit/75d713bc5dccb8f4adb45b66931c0a88f1277161
  Author: Ding-Yi Chen <dingyichen at gmail.com>
  Date:   2016-06-16 (Thu, 16 Jun 2016)

  Changed paths:
    M docs/user-guide/system-admin/configuration/installation.md

  Log Message:
  -----------
  Fix the format