key.1: Document `tag -r' properly.

diff --git a/progs/key.1 b/progs/key.1
index 47a0efe..15552fd 100644 (file)
--- a/progs/key.1
+++ b/progs/key.1
@@ -906,7 +906,12 @@ new tag to be set.  If no second argument is given, the existing tag, if
 any, is removed and no new tag is set.  It is an error to set a tag
 which already exists on another key, unless you give the
 .B \-r
-option, which removes the tag first.
+option.
+.PP
+The following options are recognized.
+.TP
+.B "\-r, \-\-retag"
+Untag the existing key with the desired new tag, if any.
 .SS "setattr"
 Attaches attributes to a key.  The key to which the attributes should be
 attached is given by its