[glibc] manual: Fix typo

[Florian Weimer <fw@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8394b8c4617c925d7a7fab567401f07549d07b13

commit 8394b8c4617c925d7a7fab567401f07549d07b13
Author: Martin Joerg <martin.joerg@gmail.com>
Date:   Wed Jan 18 18:34:08 2023 +0100

    manual: Fix typo
    
    Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>

Diff:
---
 manual/string.texi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/manual/string.texi b/manual/string.texi
index 0b60b3fbb4..7578aa1c26 100644
--- a/manual/string.texi
+++ b/manual/string.texi
@@ -2396,7 +2396,7 @@ is better than not using it.  At present, the only way to do a more
 thorough job is to write the entire sensitive operation in assembly
 language.  We anticipate that future compilers will recognize calls to
 @code{explicit_bzero} and take appropriate steps to erase all the
-copies of the affected data, whereever they may be.
+copies of the affected data, wherever they may be.
 
 @deftypefun void explicit_bzero (void *@var{block}, size_t @var{len})
 @standards{BSD, string.h}