emacs: tag-jump: docstring fix

In commit 297d091e1ca8f5b1e144d2be0a8e0a7c271634a8 the key for
switching to the reverse keymap was changed from r to k but the
docstring for the defcustom was not updated. This changeset updates
the documentation to match.

diff --git a/emacs/notmuch-tag.el b/emacs/notmuch-tag.el
index c03027f705f631fa232aa56c01c980ffded40a3a..1b2ce5c2d0feca669f3ccfa4aa19b56a714f6d89 100644 (file)
--- a/emacs/notmuch-tag.el
+++ b/emacs/notmuch-tag.el
@@ -57,10 +57,13 @@ tagging operations to apply, or a variable which contains a list
 of tagging operations such as `notmuch-archive-tags'. The final
 element is a name for this tagging operation. If the name is
 omitted or empty then the list of tag changes, or the variable
 of tagging operations such as `notmuch-archive-tags'. The final
 element is a name for this tagging operation. If the name is
 omitted or empty then the list of tag changes, or the variable

-name is used as the name. The key `r` should not be used as that
-is already bound: it switches the menu to a menu of the reverse
-tagging operations. The reverse of a tagging operation is the
-same list of individual tag-ops but with `+tag` replaced by
+name is used as the name.
+
+The key `notmuch-tag-jump-reverse-key' (k by default) should not
+be used (either as a key, or as the start of a key sequence) as
+it is already bound: it switches the menu to a menu of the
+reverse tagging operations. The reverse of a tagging operation is
+the same list of individual tag-ops but with `+tag` replaced by

 `-tag` and vice versa.
 
 If setting this variable outside of customize then it should be a
 `-tag` and vice versa.
 
 If setting this variable outside of customize then it should be a