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

Co-authored-by: Michael  <[email protected]>

Author: sydneemayers

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

@@ -411,7 +411,7 @@ This table doesn't include fine-tuning regional availability information.  Consu
 
 In addition to the regions above which are available to all Azure OpenAI customers, some select pre-existing customers have been granted access to versions of GPT-4 in additional regions:
 
-| Model | US Data zone region | EUR Data zone region |
+| Model | United States data zone region | European Union data zone region |
 |---|:---|  
 | `gpt-4o`(2024-08-06) <br> `gpt-4o`(2024-05-13) | East US 2 <br> West US <br> | Spain Central <br> Germany West Central |  
 | `gpt-4o-mini` (2024-07-18) | East US 2 <br> West US <br> | Spain Central <br> Germany West Central |