(tail invocation): Describe obsolete usages

like "tail -2" more precisely.

diff --git a/doc/coreutils.texi b/doc/coreutils.texi
index 8f220b192a1ede97b45f9d55181376fcb77f7d05..7166352bc02477848bb659237613b507c7021531 100644 (file)
--- a/doc/coreutils.texi
+++ b/doc/coreutils.texi
@@ -2549,9 +2549,9 @@ Always print file name headers.
 
 @end table
 
-For compatibility @command{tail} also supports an obsolete option
-syntax @option{-@var{count}[bcl][f]}, which is recognized only if it
-is specified first and does not conflict with the usage described
+For compatibility @command{tail} also supports an obsolete usage
+@samp{tail -@var{count}[bcl][f] [@var{file}]}, which is recognized
+only if it does not conflict with the usage described
 above.  @var{count} is an optional decimal number optionally
 followed by a size letter (@samp{b}, @samp{c}, @samp{l}) to mean count
 by 512-byte blocks, bytes, or lines, optionally followed by @samp{f}