doc: fix a grammar nit

* doc/coreutils.texi (split invocation): s/are/is/ in "P or Q are".

diff --git a/doc/coreutils.texi b/doc/coreutils.texi
index 416f0ba..4fb52cb 100644 (file)
--- a/doc/coreutils.texi
+++ b/doc/coreutils.texi
@@ -3097,7 +3097,7 @@ and so can be a pipe for example.
 Use suffixes of length @var{length}.  If a @var{length} of 0 is specified,
 this is the same as if (any previous) @option{-a} was not specified, and
 thus enables the default behavior, which starts the suffix length at 2,
-and unless @option{-n} or @option{--numeric-suffixes=@var{from}} are
+and unless @option{-n} or @option{--numeric-suffixes=@var{from}} is
 specified, will auto increase the length by 2 as required.
 
 @item -d