diff --git a/aspnetcore/migration/31-to-50.md b/aspnetcore/migration/31-to-50.md
index 704594e68e..23728796a7 100644
--- a/aspnetcore/migration/31-to-50.md
+++ b/aspnetcore/migration/31-to-50.md
@@ -4,7 +4,7 @@ author: scottaddie
 description: Learn how to migrate an ASP.NET Core 3.1 project to ASP.NET Core 5.0.
 ms.author: scaddie
 ms.custom: mvc
-ms.date: 11/19/2020
+ms.date: 11/24/2020
 no-loc: [appsettings.json, "ASP.NET Core Identity", cookie, Cookie, Blazor, "Blazor Server", "Blazor WebAssembly", "Identity", "Let's Encrypt", Razor, SignalR]
 uid: migration/31-to-50
 ---
@@ -557,6 +557,17 @@ To resolve the error:
 1. In the Azure portal, access the [app's manifest](/azure/active-directory/develop/reference-app-manifest).
 1. Set the [`allowPublicClient`](/azure/active-directory/develop/reference-app-manifest#allowpublicclient-attribute) attribute to `null` or `true`.
 
+## Update a Blazor Progressive Web Application (PWA)
+
+Add the following item to the PWA app's project file:
+
+```xml
+<ItemGroup>
+  <ServiceWorker Include="wwwroot\service-worker.js" 
+    PublishedContent="wwwroot\service-worker.published.js" />
+</ItemGroup>
+```
+
 ## Update Razor class libraries (RCLs)
 
 Migrate Razor class libraries (RCLs) to take advantage of new APIs or features that are introduced as part of ASP.NET Core 5.0.