Fix minor grammar error in README-GIT.md
Merging PR #5591
Merge branch 'zfb1' of git://github.com/Netsensia/zf2 into Netsensia-zfb1

* 'zfb1' of git://github.com/Netsensia/zf2:
  Fix minor grammar error in README-GIT.md
Merging PR #5591 to master
Merge branch 'Netsensia-zfb1'

* Netsensia-zfb1:
  Fix minor grammar error in README-GIT.md