Should "git apply"'s option "--3way" imply "--index" in option description?

["lilinchao@xxxxxxxxxx" <lilinchao@xxxxxxxxxx>]

like this:

diff --git a/apply.c b/apply.c
index 44bc31d6eb..0b353af96c 100644
--- a/apply.c
+++ b/apply.c
@@ -5024,7 +5024,7 @@ int apply_parse_options(int argc, const char **argv,
                OPT_BOOL(0, "apply", force_apply,
                        N_("also apply the patch (use with --stat/--summary/--check)")),
                OPT_BOOL('3', "3way", &state->threeway,
-                        N_( "attempt three-way merge, fall back on normal patch if that fails")),
+                        N_( "attempt three-way merge, fall back on normal patch if that fails(implies --index)")),
                OPT_FILENAME(0, "build-fake-ancestor", &state->fake_ancestor,
                        N_("build a temporary index based on embedded index information")),
                /* Think twice before adding "--nul" synonym to this */