diff --git a/projects/editor/src/app/components/properties-panel/position-properties-tab/input-groups/position-field-set.component.ts b/projects/editor/src/app/components/properties-panel/position-properties-tab/input-groups/position-field-set.component.ts
index 42aa1786e97f7d6b1869576cc68706a31c858bf0..3c9074b3d3906a6ef91f0244809ba34f3bb30d48 100644
--- a/projects/editor/src/app/components/properties-panel/position-properties-tab/input-groups/position-field-set.component.ts
+++ b/projects/editor/src/app/components/properties-panel/position-properties-tab/input-groups/position-field-set.component.ts
@@ -1,7 +1,7 @@
 import {
   Component, EventEmitter, Input, Output
 } from '@angular/core';
-import { PositionProperties } from 'common/models/elements/element';
+import { PositionProperties, UIElementValue } from 'common/models/elements/element';
 
 @Component({
   selector: 'aspect-position-field-set',
@@ -104,6 +104,7 @@ import { PositionProperties } from 'common/models/elements/element';
         </div>
       </ng-template>
 
+      Stapelung<br>
       <mat-form-field *ngIf="positionProperties.zIndex !== undefined" appearance="fill">
         <mat-label>{{'propertiesPanel.zIndex' | translate }}</mat-label>
         <input matInput type="number" #zIndex="ngModel"
@@ -112,7 +113,6 @@ import { PositionProperties } from 'common/models/elements/element';
                                                        value: $event,
                                                        isInputValid: zIndex.valid && $event !== null })"
                matTooltip="Priorität beim Stapeln von Elementen. Der höhere Index erscheint vorne.">
-        <!--        TODO translate-->
       </mat-form-field>
     </fieldset>
   `,
diff --git a/projects/editor/src/assets/i18n/de.json b/projects/editor/src/assets/i18n/de.json
index 15ee009a7c8aa707d1911bc2408c8b27a54d1178..e899bb8b12caba272eeeb7f87d91b8664637b664 100644
--- a/projects/editor/src/assets/i18n/de.json
+++ b/projects/editor/src/assets/i18n/de.json
@@ -38,7 +38,7 @@
   "pageProperties": {
     "maxWidth": "Maximalbreite",
     "sectionWidth": "Abschnittbreite",
-    "pageWidth": "Seitenbreite",
+    "pageWidth": "effektive Seitenbreite",
     "marginWidth": "Randbreite",
     "backgroundColor": "Hintergrundfarbe",
     "alwaysVisible": "Immer angezeigt",
@@ -276,6 +276,7 @@
     "width": "Breite",
     "fraction": "Anteile",
     "pixel": "Bildpunkte",
+    "percent": "Prozent",
     "activeAfterID": "Sichtbar nach A/V-ID",
     "activeAfterIdDelay": "Verzögerung der Sichtbarkeit"
   },