RFR: Added git in backout description [v2]

[Jesper Wilhelmsson]

> What the title say.

Jesper Wilhelmsson has updated the pull request incrementally with one additional commit since the last revision:

  Typos

-------------

Changes:
  - all: https://git.openjdk.java.net/guide/pull/61/files
  - new: https://git.openjdk.java.net/guide/pull/61/files/f7f01a87..aaa7e85d

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=guide&pr=61&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=guide&pr=61&range=00-01

  Stats: 4 lines in 1 file changed: 2 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/guide/pull/61.diff
  Fetch: git fetch https://git.openjdk.java.net/guide pull/61/head:pull/61

PR: https://git.openjdk.java.net/guide/pull/61