diff --git a/aspnetcore/blazor/components/index.md b/aspnetcore/blazor/components/index.md
index 8de35bf1981c..9c36ce20c4b9 100644
--- a/aspnetcore/blazor/components/index.md
+++ b/aspnetcore/blazor/components/index.md
@@ -513,6 +513,25 @@ public DateTime StartData { get; set; } = DateTime.Now;
 
 After the initial assignment of <xref:System.DateTime.Now?displayProperty=nameWithType>, do **not** assign a value to `StartData` in developer code. For more information, see the [Overwritten parameters](#overwritten-parameters) section of this article.
 
+::: moniker range=">= aspnetcore-6.0"
+
+Apply the `[EditorRequired]` attribute to specify a required component parameter. If a parameter value isn't provided, editors or build tools may display warnings to the user. This attribute is only valid on properties also marked with the `[Parameter]` attribute. The `[EditorRequired]` attribute is enforced at design-time and when the app is built. The attribute isn't enforced at runtime, and it doesn't guarantee a non-`null` parameter value.
+
+```csharp
+[Parameter]
+[EditorRequired]
+public string Title { get; set; }
+```
+
+Single-line attribute lists are also supported:
+
+```csharp
+[Parameter, EditorRequired]
+public string Title { get; set; }
+```
+
+::: moniker-end
+
 ## Route parameters
 
 Components can specify route parameters in the route template of the [`@page`][9] directive. The [Blazor router](xref:blazor/fundamentals/routing) uses route parameters to populate corresponding component parameters.