[3.10] Fix typos in the Python directory (GH-28767) (GH-28799)

(cherry picked from commit db693df3e112c5a61f2cbef63eedce3a36520ded)
diff --git a/Python/fileutils.c b/Python/fileutils.c
index 9e732dd..c3144ee 100644
--- a/Python/fileutils.c
+++ b/Python/fileutils.c
@@ -220,7 +220,7 @@ check_force_ascii(void)
         ch = (unsigned char)0xA7;
         res = _Py_mbstowcs(&wch, (char*)&ch, 1);
         if (res != DECODE_ERROR && wch == L'\xA7') {
-            /* On HP-UX withe C locale or the POSIX locale,
+            /* On HP-UX with C locale or the POSIX locale,
                nl_langinfo(CODESET) announces "roman8", whereas mbstowcs() uses
                Latin1 encoding in practice. Force ASCII in this case.