diff --git a/src/js/service.js b/src/js/service.js
index b20c5d0..e8a1bd3 100644
--- a/src/js/service.js
+++ b/src/js/service.js
@@ -3,27 +3,27 @@ angular.module('focaModal')
         '$uibModal',
         function($uibModal) {
             return {
-                confirm: function(a) {
+                confirm: function(textoModal) {
                     return $uibModal.open({
                         templateUrl: 'modal-confirm.html',
                         controller: 'focaModalConfirmController',
                         animation: false,
                         backdrop: false,
-                        resolve: { text: function() { return a; } }
+                        resolve: { text: function() { return textoModal; } }
                     })
                         .result.then(
-                            function(p) {
-                                return p;
+                            function(resultado) {
+                                return resultado;
                             }
                         );
                 },
-                alert: function(a) {
+                alert: function(textoModal) {
                     return $uibModal.open({
                         templateUrl: 'modal-alert.html',
                         controller: 'focaModalAlertController',
                         animation: false,
                         backdrop: false,
-                        resolve: { text: function() { return a; } }
+                        resolve: { text: function() { return textoModal; } }
                     });
                 }
             };