[gcc r16-9158] libstdc++: Fix comment typo in <bits/chrono.h>

[Jonathan Wakely]

https://gcc.gnu.org/g:27f9e3bfc9b44ca73d4e3204508d69c91bcf0fa7

commit r16-9158-g27f9e3bfc9b44ca73d4e3204508d69c91bcf0fa7
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Tue Jun 16 14:51:06 2026 +0100

    libstdc++: Fix comment typo in <bits/chrono.h>
    
    libstdc++-v3/ChangeLog:
    
            * include/bits/chrono.h (std::chrono_literals): Fix typo in
            comment.
    
    (cherry picked from commit 1b13ddd7e84a1b14d33b8adcdbb02553c80748b7)

Diff:
---
 libstdc++-v3/include/bits/chrono.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libstdc++-v3/include/bits/chrono.h b/libstdc++-v3/include/bits/chrono.h
index fd91505c16f4..9846aecc1a28 100644
--- a/libstdc++-v3/include/bits/chrono.h
+++ b/libstdc++-v3/include/bits/chrono.h
@@ -1352,7 +1352,7 @@ _GLIBCXX_END_INLINE_ABI_NAMESPACE(_V2)
    * for example `1.5e2ms` might be equivalent to
    * `chrono::duration<long double, chrono::milli>(1.5e2)`.
    *
-   * @since C+14
+   * @since C++14
    * @ingroup chrono
    */
   inline namespace chrono_literals