update

Author: mrbullwinkle

articles/ai-services/openai/concepts/models.md

@@ -402,10 +402,10 @@ This table doesn't include fine-tuning regional availability information.  Consu
 
 ### Standard models by endpoint
 
-### Chat completions
-
 # [Chat Completions](#tab/standard-chat-completions)
 
+### Chat completions
+
 [!INCLUDE [Chat Completions](../includes/model-matrix/standard-chat-completions.md)]
 
 ### GPT-4 and GPT-4 Turbo model availability