changed heading

Author: mukherjeesudebi

articles/flow/advanced/modifying-the-bootstrap-page.adoc

@@ -202,7 +202,7 @@ public class AppShell implements AppShellConfigurator {
 
 Modifications in [methodname]`AppShellConfigurator.configurePage()` have priority over the equivalent annotations. Annotations don't cover all of the cases that can be achieved when overriding the [methodname]`AppShellConfigurator.configurePage()` method.
 
-==== Vaadin-Refresh[[vaadin-refresh]]
+==== Forcing a Page Reload After an Invalid Server Response[[vaadin-refresh]]
 
 If the XHR response can't be parsed as JSON, Vaadin looks for a “Vaadin-Refresh” string anywhere inside the response text. If it's present, Vaadin reloads the page instead of showing an error message. You can add the refresh token as a meta tag.