Fixed #21388 -- Corrected language code for Frisian

django/conf/global_settings.py

@@ -75,7 +75,7 @@ LANGUAGES = (
     ('fa', gettext_noop('Persian')),
     ('fi', gettext_noop('Finnish')),
     ('fr', gettext_noop('French')),
-    ('fy-nl', gettext_noop('Frisian')),
+    ('fy', gettext_noop('Frisian')),
     ('ga', gettext_noop('Irish')),
     ('gl', gettext_noop('Galician')),
     ('he', gettext_noop('Hebrew')),

django/conf/locale/__init__.py

@@ -167,11 +167,11 @@ LANG_INFO = {
         'name': 'French',
         'name_local': 'français',
     },
-    'fy-nl': {
+    'fy': {
         'bidi': False,
-        'code': 'fy-nl',
+        'code': 'fy',
         'name': 'Frisian',
-        'name_local': 'Frisian',
+        'name_local': 'frysk',
     },
     'ga': {
         'bidi': False,