Update lookupObjects.md

Author: Nkrb

powerapps-docs/developer/model-driven-apps/clientapi/reference/Xrm-Utility/lookupObjects.md

@@ -38,8 +38,11 @@ search.app:
 |searchText|String|No|Indicates the default search term for the lookup control. This is supported only on [Unified Interface](https://docs.microsoft.com/power-platform/admin/about-unified-interface).|
 |showBarcodeScanner|Boolean|No|Indicates whether the lookup control should show the barcode scanner in mobile clients.|
 |viewIds|Array|No|The views to be available in the view picker. Only system views are supported.|
-|successCallback |Function |Yes |A function to call when the lookup control is invoked. An array of objects with the following properties is passed:<br/><ul><li>**entityType**: String. Entity type of the record selected in the lookup control.</li><li>**id**: String. ID of the record selected in the lookup control.</li><li>**name**: String. Name of the record selected in the lookup control.</li>|
-|errorCallback |Function |Yes |A function to call when you cancel the lookup control or the operation fails.  |
+
+**successCallback**: Function. A function to call when the lookup control is invoked. An array of objects with the following properties is passed:<br/><ul><li>**entityType**: String. Entity type of the record selected in the lookup control.</li><li>**id**: String. ID of the record selected in the lookup control.</li><li>**name**: String. Name of the record selected in the lookup control.</li>
+
+
+**errorCallback**: Function. A function to call when you cancel the lookup control or the operation fails.  
 
 ## Example