Update model-app-page-issues.md

Author: Mattp123

powerapps-docs/maker/model-driven-apps/model-app-page-issues.md

@@ -28,7 +28,7 @@ The custom page is a new page type within model-driven apps. Custom pages bring
 
 * When a custom page is modified, such as saved and published, the model-driven app isn't aware of the change. The model-driven app will continue to use the last version of the custom page when the model-driven app was published. A model-driven app published through app designer, solution explorer, or **Publish all** will update all custom pages in the model-driven app.
 
-* Images, icons and shapes are not currently supported with Righ-To-Left languages.
+* Images, icons and shapes are not currently supported with Right-To-Left (RTL) languages.
 
 * The ability to get the current data formats from users settings including date, time, numbers and currency is not supported.