Remove mention of non-existent `annotate-switches'

* lisp/vc/vc.el (vc-annotate-switches): Remove mention of
`annotate-switches'.  As far as I can tell this has never existed in
Emacs.

diff --git a/lisp/vc/vc.el b/lisp/vc/vc.el
index bebd0946deef9bd3cac4de45f5237d56008bc195..82da5e7448959ee0ff790890be1c35ceae3a5dd7 100644 (file)
--- a/lisp/vc/vc.el
+++ b/lisp/vc/vc.el
@@ -803,12 +803,12 @@ not specific to any particular backend."
 (defcustom vc-annotate-switches nil
   "A string or list of strings specifying switches for annotate under VC.
 When running annotate under a given BACKEND, VC uses the first
-non-nil value of `vc-BACKEND-annotate-switches', `vc-annotate-switches',
-and `annotate-switches', in that order.  Since nil means to check the
-next variable in the sequence, either of the first two may use
-the value t to mean no switches at all.  `vc-annotate-switches'
-should contain switches that are specific to version control, but
-not specific to any particular backend.
+non-nil value of `vc-BACKEND-annotate-switches' and
+`vc-annotate-switches', in that order.  Since nil means to check
+the next variable in the sequence, setting the first to the value
+t means no switches at all.  `vc-annotate-switches' should
+contain switches that are specific to version control, but not
+specific to any particular backend.
 
 As very few switches (if any) are used across different VC tools,
 please consider using the specific `vc-BACKEND-annotate-switches'