Translation fix

sails/src/assets/app/i18n/en-gb.json

@@ -256,6 +256,7 @@
     "password_type": "Password",
     "pause": "Pause",
     "pause_session": "Pause session",
+    "percent": "Percent",
     "personal_data": "Personal data",
     "personal_data": "Personal data",
     "phone": "Phone number",

sails/src/assets/app/i18n/es-es.json

@@ -255,6 +255,7 @@
     "password_short": "La contraseña es muy corta, debe tener al menos una longitud de {{minlength}} caracteres",
     "pause": "Pausar",
     "pause_session": "Pausar sesión",
+    "percent": "Porcentaje",
     "personal_data": "Datos personales",
     "personal_data": "Datos personales",
     "phone": "Teléfono",

sails/src/assets/scripts/modules/student/controllers/reports.js

@@ -205,8 +205,7 @@ dashboardControllers.controller('StudentReportsCtrl', function StudentReportsCtr
      //CHART DATA
      //*** Error rate chart***
      $scope.labels1 = $scope.method_chart_dates[0];
-     $scope.series1 = ['Tasa de error'];
-     //$scope.dataChart1 = [error_rate];
+     $scope.series1 = [$translate.instant('error_rate')];
      $scope.dataChart1 = $scope.error_rate_rate;
      $scope.optionsChartDateRate = {
        elements:{
@@ -219,7 +218,7 @@ dashboardControllers.controller('StudentReportsCtrl', function StudentReportsCtr
         scales: {
           yAxes: [{
             scaleLabel: {
-              labelString: "Porcentaje",
+              labelString: $translate.instant('percent'),
               display: true
             }
           }],
@@ -341,7 +340,7 @@ dashboardControllers.controller('StudentReportsCtrl', function StudentReportsCtr
 
       //*** Vocabuary size chart***
       $scope.labels4 = $scope.method_chart_dates[0];
-      $scope.series4 = [$translate.instant('Pictograms')];
+      $scope.series4 = [$translate.instant('pictograms')];
       $scope.dataChart4 = $scope.vocab_size;
 
       //*** Phrase size chart***