doc: ls: fix recent typo for -F option in texinfo

* doc/coreutils.texi (ls invocation): Add a missing hyphen
that was inadvertently dropped in the recent adjustments.

diff --git a/doc/coreutils.texi b/doc/coreutils.texi
index d31c80859581345fcd1ef2ee3e599ad53da5ad95..c2386a519162c1f2f0631ca1334b94045cd1caa0 100644 (file)
--- a/doc/coreutils.texi
+++ b/doc/coreutils.texi
@@ -8052,7 +8052,7 @@ eval $(dircolors -p | perl -pe \
 and on a @code{dirent.d_type}-capable file system, @command{ls}
 will perform only one @code{stat} call per command line argument.
 
-@optItem{ls,F,}
+@optItem{ls,-F,}
 @optItemx{ls,--classify,[=@var{when}]}
 @itemx --indicator-style=classify
 @opindex --indicator-style