adapt placeholder text for project description widget

frontend/src/app/modules/grids/widgets/project-description/project-description.component.html

@@ -13,6 +13,6 @@
        [innerHTML]="description">
   </div>
   <no-results *ngIf="!hasDescription && isLoaded"
-              [title]="text.noResults">
+              [description]="text.noResults">
   </no-results>
 </div>

frontend/src/app/modules/grids/widgets/project-description/project-description.component.ts

@@ -41,7 +41,7 @@ export class WidgetProjectDescriptionComponent extends AbstractWidgetComponent i
   public description:SafeHtml;
 
   public text = {
-    noResults: this.i18n.t('js.grid.widgets.project_description.no_results'),
+    noResults: this.i18n.t('js.grid.widgets.project_description.no_results')
   };
 
   constructor(protected readonly i18n:I18nService,

modules/grids/config/locales/js-en.yml

@@ -21,7 +21,7 @@ en:
           no_results: 'Nothing new to report.'
         project_description:
           title: 'Project description'
-          no_results: 'No description has been written yet.'
+          no_results: "No description has been written yet. One can be provided in the 'Project settings'."
         project_details:
           title: 'Project details'
           no_results: 'No custom fields have been defined for projects.'