Fix wording in the js messages

app/assets/javascripts/sidebar/components/lock/edit_form.vue

@@ -48,7 +48,7 @@ export default {
         Lock this {{ issuableDisplayName(issuableType) }}?
         Only
         <strong>project members</strong>
-        will be able to comment
+        will be able to comment.
       </p>
 
       <edit-form-buttons

app/assets/javascripts/vue_shared/components/issue/issue_warning.vue

@@ -39,7 +39,7 @@
 
     <span v-if="isLockedAndConfidential">
       {{ __('This issue is confidential and locked.') }}
-      {{ __('People without permission will never get a notification and not be able to comment.') }}
+      {{ __('People without permission will never get a notification and won\'t be able to comment.') }}
     </span>
 
     <span v-else-if="isConfidential">

spec/javascripts/vue_shared/components/issue/issue_warning_spec.js

@@ -40,7 +40,7 @@ describe('Issue Warning Component', () => {
       });
 
       expect(vm.$el.querySelector('i')).toBeFalsy();
-      expect(formatWarning(vm.$el.querySelector('span').textContent)).toEqual('This issue is confidential and locked. People without permission will never get a notification and not be able to comment.');
+      expect(formatWarning(vm.$el.querySelector('span').textContent)).toEqual('This issue is confidential and locked. People without permission will never get a notification and won\'t be able to comment.');
     });
   });
 });