getState: function(params) {
             return {
                 allowed: params.fragment && params.fragment.isValid() && params.fragment instanceof params.fragment.NodeFragment,
-                description: gettext('Insert exercise: ' + actionConfig.exerciseTitle)
+                description: gettext('Insert exercise') + ': ' + actionConfig.exerciseTitle
             };
         }
     };
 
 return [
     createAction({name: 'insertOrderExercise', icon: 'random', exercise: 'order', exerciseTitle: gettext('Order')}),
-    createAction({name: 'insertChoiceSingleExercise', icon: 'ok-circle', exercise: 'choice.single', exerciseTitle: gettext('Single choice')}),
-    createAction({name: 'insertChoiceMultiExercise', icon: 'check', exercise: 'choice', exerciseTitle: gettext('Mutiple Choice')}),
+    createAction({name: 'insertChoiceSingleExercise', icon: 'ok-circle', exercise: 'choice.single', exerciseTitle: gettext('Single Choice')}),
+    createAction({name: 'insertChoiceMultiExercise', icon: 'check', exercise: 'choice', exerciseTitle: gettext('Multiple Choice')}),
     createAction({name: 'insertChoiceTrueOrFalseExercise', icon: 'adjust', exercise: 'choice.true-or-false', exerciseTitle: gettext('True or False')}),
     createAction({name: 'insertGapsExercise', icon: 'question-sign', exercise: 'gap', exerciseTitle: gettext('Gaps')}),
     createAction({name: 'insertReplaceExercise', icon: 'thumbs-down', exercise: 'replace', exerciseTitle: gettext('Replace')})
 
         this.x = $('<div class="edumed-exercise-remove btn btn-mini btn-danger">x</div>');
         this.x.on('click', function() {
             var dialog = Dialog.create({
-                title: 'Removing exercise',
+                title: gettext('Removing exercise'),
                 text: gettext('Do you really want to remove this exercise?'),
                 executeButtonText: gettext('Yes'),
                 cancelButtonText: gettext('No, don\'t do anything!')