diff --git a/MyApp/Components/Pages/Docs.razor b/MyApp/Components/Pages/Docs.razor
index 64edc71..dde2311 100644
--- a/MyApp/Components/Pages/Docs.razor
+++ b/MyApp/Components/Pages/Docs.razor
@@ -1,9 +1,6 @@
-@page "/{Slug?}"
+@page "/{Slug:regex(^[a-z-_]+$)}"
 @inherits AppComponentBase
 @inject MarkdownPages Markdown
-@inject AppConfig AppConfig
-@using Markdig
-@using Markdig.Syntax
 
 @if (doc != null)
 {