Fix typo in chained bind explanation. (#18954)

Author: nikonthethird

aspnetcore/blazor/components/data-binding.md

@@ -233,7 +233,7 @@ The following `PasswordField` component (`PasswordField.razor`):
 
 * Sets an `<input>` element's value to a `Password` property.
 * Exposes changes of the `Password` property to a parent component with an [`EventCallback`](xref:blazor/components/event-handling#eventcallback).
-* Uses the `onclick` event is used to trigger the `ToggleShowPassword` method. For more information, see <xref:blazor/components/event-handling>.
+* Uses the `onclick` event to trigger the `ToggleShowPassword` method. For more information, see <xref:blazor/components/event-handling>.
 
 ```razor
 <h1>Child Component</h1>