fixed typo in doc

Author: AjitPadhi-Microsoft

docs/CustomizingAzdParameters.md

@@ -13,7 +13,7 @@ By default this template will use the environment name as the prefix to prevent
 | `AZURE_ENV_NAME`                       | string  | `docgen`                   | Sets the environment name prefix for all Azure resources.                     |
 | `AZURE_ENV_SECONDARY_LOCATION`         | string  | `eastus2`                  | Specifies a secondary Azure region.                                           |
 | `AZURE_ENV_MODEL_DEPLOYMENT_TYPE`      | string  | `Standard`                 | Defines the model deployment type (allowed: `Standard`, `GlobalStandard`).    |
-| `AZURE_ENV_MODEL_NAME`                 | string  | `gpt-4.1`                   | Specifies the GPT model name (allowed: `gpt-4`, `gpt-4o`).                    |
+| `AZURE_ENV_MODEL_NAME`                 | string  | `gpt-4.1`                   | Specifies the GPT model name (allowed: `gpt-4.1`).                    |
 | `AZURE_ENV_MODEL_VERSION`                 | string  | `2024-05-13`                   | Set the Azure model version (allowed values: `2024-08-06`).                    |
 | `AZURE_ENV_OPENAI_API_VERSION`                 | string  | `2024-05-01-preview`                   | Specifies the API version for Azure OpenAI.                    |
 | `AZURE_ENV_MODEL_CAPACITY`             | integer | `30`                         | Sets the GPT model capacity (based on what's available in your subscription). |