diff --git a/docs/core/diagnostics/snippets/OTLP-Example/csharp/Program.cs b/docs/core/diagnostics/snippets/OTLP-Example/csharp/Program.cs
index b8b67efe33bbb..d86c239f4cb6e 100644
--- a/docs/core/diagnostics/snippets/OTLP-Example/csharp/Program.cs
+++ b/docs/core/diagnostics/snippets/OTLP-Example/csharp/Program.cs
@@ -82,7 +82,7 @@
 app.Run();
 
 //<Snippet_SendGreeting>
-async Task<String> SendGreeting(ILogger<Program> logger)
+async Task<string> SendGreeting(ILogger<Program> logger)
 {
     // Create a new Activity scoped to the method
     using var activity = greeterActivitySource.StartActivity("GreeterActivity");