Make clear that for a changegroup '-r' pulls "up to" a revision

If some better wording is found, it can be changed later.

mercurial/commands.py

@@ -2887,7 +2887,7 b' table = {'
          [('f', 'force', None,
            _('run even when remote repository is unrelated')),
           ('r', 'rev', [],
-           _('a changeset you would like to bundle')),
+           _('a changeset up to which you would like to bundle')),
           ('', 'base', [],
            _('a base changeset to specify instead of a destination')),
           ('a', 'all', None,
@@ -3039,7 +3039,8 b' table = {'
            _('run even when remote repository is unrelated')),
           ('n', 'newest-first', None, _('show newest record first')),
           ('', 'bundle', '', _('file to store the bundles into')),
-          ('r', 'rev', [], _('a specific revision up to which you would like to pull')),
+          ('r', 'rev', [],
+           _('a specific revision up to which you would like to pull')),
          ] + logopts + remoteopts,
          _('hg incoming [-p] [-n] [-M] [-f] [-r REV]...'
            ' [--bundle FILENAME] [SOURCE]')),
@@ -3087,7 +3088,8 b' table = {'
         (outgoing,
          [('f', 'force', None,
            _('run even when remote repository is unrelated')),
-          ('r', 'rev', [], _('a specific revision you would like to push')),
+          ('r', 'rev', [],
+           _('a specific revision up to which you would like to push')),
           ('n', 'newest-first', None, _('show newest record first')),
          ] + logopts + remoteopts,
          _('hg outgoing [-M] [-p] [-n] [-f] [-r REV]... [DEST]')),
@@ -3110,7 +3112,8 b' table = {'
     "^push":
         (push,
          [('f', 'force', None, _('force push')),
-          ('r', 'rev', [], _('a specific revision you would like to push')),
+          ('r', 'rev', [],
+           _('a specific revision up to which you would like to push')),
          ] + remoteopts,
          _('hg push [-f] [-r REV]... [-e CMD] [--remotecmd CMD] [DEST]')),
     "recover": (recover, [], _('hg recover')),