A small edit

Author: Yiyun333

content/en/docs/refguide/modeling/domain-model/entities/view-entities/_index.md

@@ -25,7 +25,7 @@ View entities are read-only. To change the resulting data of a view entity retri
 
 ## Enabling OQL Version 2 
 
-Your app must use OQL version 2 to use view entities. You can change this setting by clicking **App 'APP_NAME'** > **Settings** > **Runtime** and setting [OQL version 2](/refguide/app-settings/#oql-version-2) to **Yes**. Alternatively, you can drag a new view entity from the toolbar or **Toolbox** to the domain model, which opens a dialog box where you can confirm upgrading to OQL version 2 if it has not been upgraded.
+Your app must use OQL version 2 to use view entities. You can change this setting by clicking **App 'APP_NAME'** > **Settings** > **Runtime** and setting [OQL version 2](/refguide/app-settings/#oql-version-2) to **Yes**. Alternatively, you can drag a new view entity from the toolbar or **Toolbox** to the domain model, which opens a dialog box where you can confirm upgrading to OQL version 2 if it has not been upgraded yet.
 
 ## Properties