Update articles/upgrading/index.adoc

Co-authored-by: caalador <[email protected]>

Author: tepi

articles/upgrading/index.adoc

@@ -440,7 +440,7 @@ Vaadin Flow layouts now require access annotation (e.g. [classname]`RolesAllowed
 Because of the change, the [classname]`com.vaadin.flow.component.html.testbench.ClickHandler` class has been removed. The interface, meant to be used with [classname]`ComponentTester` subclasses, should not be needed anymore. In this case, [classname]`com.vaadin.testbench.unit.Clickable` is a valid substitute.
 
 == Binder
-[methodname]`Binder.validate()` implementation has been changed to behave as its javadoc states. In other words, [methodname]`Binder.validate()` no longer fails when bean level validators have been configured but no bean is currently set (i.e. [classname]`Binder` is used in buffered mode).
+[methodname]`Binder.validate()` implementation has been changed to behave as its Javadoc states. In other words, [methodname]`Binder.validate()` no longer fails when bean level validators have been configured but no bean is currently set (i.e. [classname]`Binder` is used in buffered mode).
 
 == Server-Side Modality
 [classname]`Dialog` has become less strict and allows background requests to server. Vaadin Flow allows to change this behavior if needed through [methodname]`Dialog.setModality(ModalityMode)` method.