Add a missing }

Add a missing } in the readme session example

README.md

@@ -49,7 +49,7 @@ Besides, `ChatSession` makes it easier to wrap your own chat bot. The code below
 
 var model = new LLamaModel(new LLamaParams(model: "<Your path>", n_ctx: 512, repeat_penalty: 1.0f));
 var session = new ChatSession<LLamaModel>(model).WithPromptFile("<Your prompt file path>")
-                .WithAntiprompt(new string[] { "User:" );
+                .WithAntiprompt(new string[] { "User:" });
 Console.Write("\nUser:");
 while (true)
 {