Update dotnet/samples/Demos/ModelContextProtocolClientServer/MCPServer/Prompts/EmbeddedResource.cs

Co-authored-by: westey <[email protected]>

Author: SergeyMenshykh

dotnet/samples/Demos/ModelContextProtocolClientServer/MCPServer/Prompts/EmbeddedResource.cs

@@ -19,7 +19,7 @@ internal static string ReadAsString(string fileName)
             throw new InvalidOperationException($"[{s_namespace}] {fileName} assembly not found");
 
         // Resources are mapped like types, using the namespace and appending "." (dot) and the file name
-        string resourceName = $"{s_namespace}." + fileName;
+        string resourceName = $"{s_namespace}.{fileName}";
 
         Stream stream =
             assembly.GetManifestResourceStream(resourceName) ??