diff --git a/aspnetcore/fundamentals/host/platform-specific-configuration.md b/aspnetcore/fundamentals/host/platform-specific-configuration.md
index b175ce9cc1..12ac4509e8 100644
--- a/aspnetcore/fundamentals/host/platform-specific-configuration.md
+++ b/aspnetcore/fundamentals/host/platform-specific-configuration.md
@@ -5,7 +5,7 @@ description: Discover how to enhance an ASP.NET Core app from an external assemb
 monikerRange: '>= aspnetcore-2.1'
 ms.author: riande
 ms.custom: "mvc, seodec18"
-ms.date: 03/23/2019
+ms.date: 04/06/2019
 uid: fundamentals/configuration/platform-specific-configuration
 ---
 # Use hosting startup assemblies in ASP.NET Core
@@ -375,7 +375,14 @@ dotnet nuget locals all --clear
 **Activation from a runtime store-deployed assembly**
 
 1. The *StartupDiagnostics* project uses [PowerShell](/powershell/scripting/powershell-scripting) to modify its *StartupDiagnostics.deps.json* file. PowerShell is installed by default on Windows starting with Windows 7 SP1 and Windows Server 2008 R2 SP1. To obtain PowerShell on other platforms, see [Installing Windows PowerShell](/powershell/scripting/setup/installing-powershell#powershell-core).
-1. Execute the *build.ps1* script in the *RuntimeStore* folder. The `dotnet store` command in the script uses the `win7-x64` [runtime identifier (RID)](/dotnet/core/rid-catalog) for a hosting startup deployed to Windows. When providing the hosting startup for a different runtime, substitute the correct RID.
-1. Run the *deploy.ps1* script in the *deployment* folder.
+1. Execute the *build.ps1* script in the *RuntimeStore* folder. The script:
+   * Generates the `StartupDiagnostics` package.
+   * Generates the runtime store for `StartupDiagnostics` in the *store* folder. The `dotnet store` command in the script uses the `win7-x64` [runtime identifier (RID)](/dotnet/core/rid-catalog) for a hosting startup deployed to Windows. When providing the hosting startup for a different runtime, substitute the correct RID on line 37 of the script.
+   * Generates the `additionalDeps` for `StartupDiagnostics` in the *additionalDeps/shared/Microsoft.AspNetCore.App/{Shared Framework Version}/* folder.
+   * Places the *deploy.ps1* file in the *deployment* folder.
+1. Run the *deploy.ps1* script in the *deployment* folder. The script appends:
+   * `StartupDiagnostics` to the `ASPNETCORE_HOSTINGSTARTUPASSEMBLIES` environment variable.
+   * The hosting startup dependencies path to the `DOTNET_ADDITIONAL_DEPS` environment variable.
+   * The runtime store path to the `DOTNET_SHARED_STORE` environment variable.
 1. Run the sample app.
 1. Request the `/services` endpoint to see the app's registered services. Request the `/diag` endpoint to see the diagnostic information.