The documentation erroneously mentions the GIT_NOTES_REWRITE_REF
override in the description of notes.rewrite.<command>. Move it
under notes.rewriteRef where it belongs.
Signed-off-by: Leif Arne Storset <lstorset@opera.com> Acked-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>