message: Table of contents title fix
diff: @@ -9,7 +9,7 @@ Welcome to the EOS.IO source code repository!
  1. [Getting Started](#gettingstarted)
  2. [Setting up a build/development environment](#setup)
  1. [Automated build script](#autobuild)
  - 1. [Ubuntu 16.10](#autoubuntu)
  + 1. [Clean install Ubuntu 16.10](#autoubuntu)
  2. [macOS Sierra 10.12.6](#automac)
  2. [Manual installation of the dependencies](#manualdep)
  1. [Clean install Ubuntu 16.10](#ubuntu)
  