view .arcconfig @ 34056:7e9ccb1670e3

amend: rectify comment

Comment was ambiguous as there can be two parents of a changeset in mercurial.
This commit fixes the comment to clarify that the first parent is being
considered.

Test Plan:
ran the test suite

Differential Revision: https://phab.mercurial-scm.org/D595

{
    "conduit_uri": "https://phab.mercurial-scm.org/api",
    "repository.callsign": "HG",
    "arc.land.onto.default": "@",
    "base": "hg:.^"
}