diff --git a/aspnetcore/blazor/debug.md b/aspnetcore/blazor/debug.md
index b3d3b1b7a1..c605b36e28 100644
--- a/aspnetcore/blazor/debug.md
+++ b/aspnetcore/blazor/debug.md
@@ -1538,6 +1538,9 @@ The **:::no-loc text="Server":::** project's `Properties/launchSettings.json` fi
 }
 ```
 
+> [!NOTE]
+> When the app is launched from the :::no-loc text="Server"::: project, only the `Properties/launchSettings.json` file in the :::no-loc text="Server"::: project is used. The `Properties/launchSettings.json` file in the :::no-loc text="Client"::: project is ***not*** used.
+
 ## Attach to an existing debugging session
 
 To attach to a running Blazor app, create a `.vscode/launch.json` file with the following configuration. Replace the `{URL}` placeholder with the URL where the app is running:
diff --git a/aspnetcore/blazor/tooling.md b/aspnetcore/blazor/tooling.md
index 4d4622d4af..2927bba099 100644
--- a/aspnetcore/blazor/tooling.md
+++ b/aspnetcore/blazor/tooling.md
@@ -47,6 +47,8 @@ For more information on trusting the ASP.NET Core HTTPS development certificate,
 
 > [!IMPORTANT]
 > When executing a hosted Blazor WebAssembly app, run the app from the solution's **:::no-loc text="Server":::** project.
+>
+> When the app is launched, only the `Properties/launchSettings.json` file in the :::no-loc text="Server"::: project is used.
 
 :::zone-end
 
@@ -250,6 +252,8 @@ Use the [.NET command-line interface (CLI)](/dotnet/core/tools/) to execute comm
 
    > [!IMPORTANT]
    > When executing a hosted Blazor WebAssembly app, run the app from the solution's **:::no-loc text="Server":::** project.
+   >
+   > When the app is launched, only the `Properties/launchSettings.json` file in the :::no-loc text="Server"::: project is used.
 
 :::moniker range=">= aspnetcore-6.0"
 
@@ -446,6 +450,8 @@ If a prompt appears to trust the development certificate, trust the certificate
 
 > [!IMPORTANT]
 > When executing a hosted Blazor WebAssembly app, run the app from the solution's **:::no-loc text="Server":::** project.
+>
+> When the app is launched, only the `Properties/launchSettings.json` file in the :::no-loc text="Server"::: project is used.
 
 :::zone-end