fix build 1

Author: cilwerner

articles/active-directory/external-identities/customers/samples-ciam-all.md

@@ -112,7 +112,7 @@ These samples and how-to guides demonstrate how to write a daemon application th
 > | App type | Code sample guide | Build and integrate guide  |
 > | ------- | -------- | ------------- | 
 > | Web API| ---  | • [Secure an ASP.NET web API](tutorial-protect-web-api-dotnet-core-build-app.md)   |
-> | Web app | • [Sign in users](sample-web-app-dotnet-sample-sign-in.md)   | • [Sign in users](tutorial-web-app-dotnet-sign-in-prepare-tenant.md)   |
+> | Web app | • [Sign in users](sample-web-app-dotnet-sign-in.md)   | • [Sign in users](tutorial-web-app-dotnet-sign-in-prepare-tenant.md)   |
 
 ### .NET (MAUI)