diff --git a/Essentials-Architecture.md b/Essentials-Architecture.md
index be3c669..3053611 100644
--- a/Essentials-Architecture.md
+++ b/Essentials-Architecture.md
@@ -83,7 +83,7 @@ At startup, the configuration file is read, and a ReadyEvent is fired. Upon bein
 
 For example, a `DeviceConfig` object:
 
-```chasrp
+```csharp
 namespace PepperDash.Essentials.Core.Config
 {
     public class DeviceConfig