diff --git a/README.md b/README.md
index 990b6ff..a0a6d70 100644
--- a/README.md
+++ b/README.md
@@ -29,9 +29,9 @@ var response = await client.CreateMessageAsync(
 ```
 
 ### Tools
+```csharp
 using CSharpToJsonSchema;
 
-```csharp
 public enum Unit
 {
     Celsius,