diff --git a/README.md b/README.md
index 40b317a..1c6df5c 100755
--- a/README.md
+++ b/README.md
@@ -130,13 +130,18 @@ Is used for setting the language. Choose between:
 - `da` (Danish)
 - `de` (German)
 - `en` (English)
+- `en_GB` (English - United Kingdom)
 - `es` (Spanish)
 - `fr` (French)
+- `hu` (Hungarian)
 - `it` (Italian)
 - `nl` (Dutch)
 - `no` (Norwegian)
 - `pl` (Polish)
+- `pt_BR` (Portuguese - Brazil)
+- `pt_PT` (Portuguese - Portugal)
 - `ru` (Russian)
+- `sk_SK` (Slovak - Slovakia)
 - `sv_SE` (Swedish - Sweden)
 - `ta` (Tamil)
 - `tr` (Turkish)
diff --git a/grocy/config.json b/grocy/config.json
index 6087637..bc07398 100755
--- a/grocy/config.json
+++ b/grocy/config.json
@@ -49,7 +49,7 @@
   },
   "schema": {
     "log_level": "list(trace|debug|info|notice|warning|error|fatal)?",
-    "culture": "list(da|de|en|en_GB|es|fr|hu|it|nl|no|pl|ru|sv_SE|tr)",
+    "culture": "list(da|de|en|en_GB|es|fr|hu|it|nl|no|pl|pt_BR|pt_PT|ru|sk_SK|sv_SE|tr)",
     "currency": "match(^[A-Z]{3}$)",
     "entry_page": "list(stock|shoppinglist|recipes|chores|tasks|batteries|equipment|calendar|mealplan)",
     "features": {