diff --git a/apps/frontend/src/features/analysis/components/MonthlyVariationTable.tsx b/apps/frontend/src/features/analysis/components/MonthlyVariationTable.tsx
index b1d7463..0971c5e 100644
--- a/apps/frontend/src/features/analysis/components/MonthlyVariationTable.tsx
+++ b/apps/frontend/src/features/analysis/components/MonthlyVariationTable.tsx
@@ -20,18 +20,18 @@ type MonthRow = {
 };
 
 const MONTH_NAMES = [
-  "Ene",
-  "Feb",
-  "Mar",
-  "Abr",
-  "May",
-  "Jun",
-  "Jul",
-  "Ago",
-  "Sep",
-  "Oct",
-  "Nov",
-  "Dic",
+  "Enero",
+  "Febrero",
+  "Marzo",
+  "Abril",
+  "Mayo",
+  "Junio",
+  "Julio",
+  "Agosto",
+  "Septiembre",
+  "Octubre",
+  "Noviembre",
+  "Diciembre",
 ];
 
 function formatMonth(monthKey: string): string {