[skara] RFR: pr: align help text for commit commands

[Erik Helin]

Hi all,

please review this small patch that aligns the casing and content of the help text for commit commands.

Thanks,
Erik

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Commit messages:
 - pr: align help text for commit commands

Changes: https://git.openjdk.java.net/skara/pull/1064/files
 Webrev: https://webrevs.openjdk.java.net/?repo=skara&pr=1064&range=00
  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/skara/pull/1064.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/1064/head:pull/1064

PR: https://git.openjdk.java.net/skara/pull/1064