Merge branch 'as/option-names-in-messages'

Error message updates.

* as/option-names-in-messages:
  revision.c: trivial fix to message
  builtin/clone.c: trivial fix of message
  builtin/remote.c: trivial fix of error message
  transport-helper.c: trivial fix of error message

diff --cc builtin/clone.c
Simple merge

diff --cc revision.c
Simple merge

diff --cc transport-helper.c
Simple merge