bpo-39009: Fix typo in test__locale (GH-17544)

diff --git a/Lib/test/test__locale.py b/Lib/test/test__locale.py
index ab4e247..cda0ee9 100644
--- a/Lib/test/test__locale.py
+++ b/Lib/test/test__locale.py
@@ -30,7 +30,7 @@
     global candidate_locales
     # Issue #13441: Skip some locales (e.g. cs_CZ and hu_HU) on Solaris to
     # workaround a mbstowcs() bug. For example, on Solaris, the hu_HU locale uses
-    # the locale encoding ISO-8859-2, the thousauds separator is b'\xA0' and it is
+    # the locale encoding ISO-8859-2, the thousands separator is b'\xA0' and it is
     # decoded as U+30000020 (an invalid character) by mbstowcs().
     if sys.platform == 'sunos5':
         old_locale = locale.setlocale(locale.LC_ALL)