diff --git a/frontend/src/locales/messages/es-ES.json b/frontend/src/locales/messages/es-ES.json
index 264019718..1fd0f815c 100644
--- a/frontend/src/locales/messages/es-ES.json
+++ b/frontend/src/locales/messages/es-ES.json
@@ -85,23 +85,23 @@
     "url": "URL",
     "users": "Users",
     "wednesday": "Wednesday",
-    "yes": "Yes"
+    "yes": "Si"
   },
   "group": {
-    "are-you-sure-you-want-to-delete-the-group": "Are you sure you want to delete <b>{groupName}<b/>?",
-    "cannot-delete-default-group": "Cannot delete default group",
-    "cannot-delete-group-with-users": "Cannot delete group with users",
-    "confirm-group-deletion": "Confirm Group Deletion",
-    "create-group": "Create Group",
-    "error-updating-group": "Error updating group",
-    "group": "Group",
-    "group-deleted": "Group deleted",
-    "group-deletion-failed": "Group deletion failed",
-    "group-id-with-value": "Group ID: {groupID}",
-    "group-name": "Group Name",
-    "group-not-found": "Group not found",
-    "groups": "Groups",
-    "groups-can-only-be-set-by-administrators": "Groups can only be set by administrators",
+    "are-you-sure-you-want-to-delete-the-group": "Por favor, confirma que deseas eliminar <b>{groupName}<b/>",
+    "cannot-delete-default-group": "No se puede eliminar el grupo predeterminado",
+    "cannot-delete-group-with-users": "No se puede eliminar el grupo con usuarios",
+    "confirm-group-deletion": "Confirmar Eliminación de Grupo",
+    "create-group": "Crear Grupo",
+    "error-updating-group": "Error al actualizar grupo",
+    "group": "Grupo",
+    "group-deleted": "Grupo eliminado",
+    "group-deletion-failed": "Error al eliminar grupo",
+    "group-id-with-value": "ID del Grupo: {groupID}",
+    "group-name": "Nombre del Grupo",
+    "group-not-found": "Grupo no encontrado",
+    "groups": "Grupos",
+    "groups-can-only-be-set-by-administrators": "Los grupos sólo pueden ser establecidos por administradores",
     "user-group": "User Group",
     "user-group-created": "User Group Created",
     "user-group-creation-failed": "User Group Creation Failed"