[gcc r15-7814] __builtin_bswapXX: improve docs

[Richard Sandiford]

https://gcc.gnu.org/g:5452b50a4ef4236d7d78210a9c16331ae86e67e3

commit r15-7814-g5452b50a4ef4236d7d78210a9c16331ae86e67e3
Author: Oscar Gustafsson <oscar.gustafsson@gmail.com>
Date:   Tue Mar 4 15:29:30 2025 +0000

    __builtin_bswapXX: improve docs
    
    gcc/ChangeLog:
    
            * doc/extend.texi: Improve example for __builtin_bswap16.

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

diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index ec9bb59900c9..83f6e45170be 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -16338,7 +16338,7 @@ Returns the first argument raised to the power of the second.  Unlike the
 
 @defbuiltin{uint16_t __builtin_bswap16 (uint16_t @var{x})}
 Returns @var{x} with the order of the bytes reversed; for example,
-@code{0xaabb} becomes @code{0xbbaa}.  Byte here always means
+@code{0xabcd} becomes @code{0xcdab}.  Byte here always means
 exactly 8 bits.
 @enddefbuiltin