diff --git a/Pilz.Net.md b/Pilz.Net.md
index c1055e9..4045b54 100644
--- a/Pilz.Net.md
+++ b/Pilz.Net.md
@@ -62,15 +62,15 @@ result.EnsureOk();
 If the status code is fine and the message is not null, you can use it. It's typed as `T` while `T` is an type that inherits from `ApiMessage` which you can define at `SendRequest<T>()` method.
 
 <details>
-<summary>Example messages</summay>
+<summary>Example messages</summary>
 
 ```cs
-public class SDxGetRequest(int id)
+public class SDxGetRequest(int id) : ApiMessage
 {
     public int Id { get; } = id;
 }
 
-public class SDxGetResponse(List<SDx> sdx)
+public class SDxGetResponse(List<SDx> sdx) : ApiMessage
 {
     public List<SDx> SDx { get; } = sdx;
 }