diff --git a/mon-pix/translations/es.json b/mon-pix/translations/es.json
index fd8355e1290..0fa867fb64a 100644
--- a/mon-pix/translations/es.json
+++ b/mon-pix/translations/es.json
@@ -1615,7 +1615,7 @@
       "grain": {
         "tag": {
           "activity": "Actividad",
-          "challenge": "desafío",
+          "challenge": "Desafío",
           "discovery": "Descubrimiento",
           "lesson": "Lección",
           "summary": "Recapitular"