[gcc r12-6152] docs: Add missing dash for argument.

[Martin Liska]

https://gcc.gnu.org/g:73898bc006ee9bec1a5eed4bfdd4eb0b158b7838

commit r12-6152-g73898bc006ee9bec1a5eed4bfdd4eb0b158b7838
Author: Martin Liska <mliska@suse.cz>
Date:   Thu Dec 30 14:33:29 2021 +0100

    docs: Add missing dash for argument.
    
    gcc/ChangeLog:
    
            * doc/cpp.texi: Add missing dash for argument.

Diff:
---
 gcc/doc/cpp.texi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/doc/cpp.texi b/gcc/doc/cpp.texi
index 53f7204504c..6e2d7c3cc86 100644
--- a/gcc/doc/cpp.texi
+++ b/gcc/doc/cpp.texi
@@ -4276,7 +4276,7 @@ IP2K, MMIX, MIPS Irix 3, ARM aout, and PowerPC targets for the AIX
 operating system.
 
 You can override the default with @option{-fdollars-in-identifiers} or
-@option{fno-dollars-in-identifiers}.  @xref{fdollars-in-identifiers}.
+@option{-fno-dollars-in-identifiers}.  @xref{fdollars-in-identifiers}.
 
 @item Non-empty sequences of whitespace characters.