diff --git a/docs/en/Migration-Guides/Abp-4_0-Blazor.md b/docs/en/Migration-Guides/Abp-4_0-Blazor.md
index f1d22a8dec..0f01899f7c 100644
--- a/docs/en/Migration-Guides/Abp-4_0-Blazor.md
+++ b/docs/en/Migration-Guides/Abp-4_0-Blazor.md
@@ -2,6 +2,13 @@
 
 ## Startup Template Changes
 
+These changes are required to manually applied in your own solution. It would be easier if you create a new solution based on 4.0 with the same name of your current solution then compare the files.
+
+### Csproj File / Dependencies
+
+* Add `<BlazorWebAssemblyLoadAllGlobalizationData>true</BlazorWebAssemblyLoadAllGlobalizationData>` to the `PropertyGroup` section of your project (`.csproj`) file.
+* Update the `Blazorise.*` packages to the latest version (to the latest RC for the ABP 4.0 preview).
+
 ### wwwroot/index.html
 
 There are some changes made in the index.html file;
@@ -13,21 +20,44 @@ There are some changes made in the index.html file;
 
 Follow the steps below to apply the changes;
 
-1. Remove all the `<link...>` elements and replace with the following comment tags:
+1. Add the bundle contributor class into your project (it will be slightly different based on your solution namespaces):
+
+````csharp
+using Volo.Abp.Bundling;
+
+namespace MyCompanyName.MyProjectName.Blazor
+{
+    public class MyProjectNameBundleContributer : IBundleContributer
+    {
+        public void AddScripts(BundleContext context)
+        {
+        }
+
+        public void AddStyles(BundleContext context)
+        {
+            context.Add("main.css");
+        }
+    }
+}
+````
+
+If you are using another global style/script files, add them here.
+
+2. Remove all the `<link...>` elements and replace with the following comment tags:
 
 ````html
 <!--ABP:Styles-->
 <!--/ABP:Styles-->
 ````
 
-2. Remove all the `<script...>` elements and replace with the following comment tags:
+3. Remove all the `<script...>` elements and replace with the following comment tags:
 
 ````html
 <!--ABP:Scripts-->
 <!--/ABP:Scripts-->
 ````
 
-3. Execute the following command in a terminal in the root folder of the Blazor project (`.csproj`) file (ensure that you're using the ABP CLI version 4.0):
+4. Execute the following command in a terminal in the root folder of the Blazor project (`.csproj`) file (ensure that you're using the ABP CLI version 4.0):
 
 ````bash
 abp bundle
@@ -35,6 +65,8 @@ abp bundle
 
 This will fill in the `Styles` and `Scripts` tags based on the dependencies.
 
+5. You can clean the `blazor-error-ui` related sections from your `main.css` file since they are not needed anymore.
+
 ### The Root Element
 
 This change is optional but recommended.