diff --git a/langs/themes/nl.json b/langs/themes/nl.json
index 7f151db91..c6b2b6602 100644
--- a/langs/themes/nl.json
+++ b/langs/themes/nl.json
@@ -927,7 +927,7 @@
                     "5": {
                         "options": {
                             "0": {
-                                "question": "Gebruikerstaal (iso-code) {search}"
+                                "question": "Gebruikerstaal (ISO-code) {search}"
                             }
                         }
                     },
@@ -1418,4 +1418,4 @@
         "shortDescription": "Een kaart met vuilnisbakken",
         "title": "Vuilnisbak"
     }
-}
\ No newline at end of file
+}