diff --git a/vsprojects/nuget_package/README.md b/vsprojects/nuget_package/README.md
index 80d84ce8c8c043e31349e88f5c431ab3a49830a5..79d81297a36e0d2c914d999dce4610d68cd86559 100644
--- a/vsprojects/nuget_package/README.md
+++ b/vsprojects/nuget_package/README.md
@@ -16,5 +16,7 @@ Build all flavors of gRPC C# extension and package them as a NuGet package.
 ```
 buildall.bat
 
-nuget pack grpc.native.csharp_ext
-```
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+nuget pack grpc.native.csharp_ext.nuspec
+```
+
+When building the NuGet package, ignore the "Assembly outside lib folder" warnings (they DLLs are not assemblies, they are native libraries).
\ No newline at end of file