RFR: 1463: Include starting branch in back port instructions [v3]

[Guoxiong Li]

> Hi all,
> 
> This patch adds the suggested git command about fetching the newest code 
> from the target branch before solving the conflicts.
> 
> Thanks for taking the time to review.
> 
> Best Regards,
> -- Guoxiong

Guoxiong Li has updated the pull request incrementally with one additional commit since the last revision:

  Tweak the message again.

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

Changes:
  - all: https://git.openjdk.org/skara/pull/1344/files
  - new: https://git.openjdk.org/skara/pull/1344/files/15f19d29..44335603

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=skara&pr=1344&range=02
 - incr: https://webrevs.openjdk.org/?repo=skara&pr=1344&range=01-02

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/skara/pull/1344.diff
  Fetch: git fetch https://git.openjdk.org/skara pull/1344/head:pull/1344

PR: https://git.openjdk.org/skara/pull/1344