updated doc

Author: AjitPadhi-Microsoft

docs/CustomizingAzdParameters.md

@@ -23,7 +23,7 @@ By default this template will use the environment name as the prefix to prevent
 | `AZURE_ENV_REASONING_MODEL_NAME`          | string | `o4-mini`          | Specifies the name of the reasoning GPT model to be deployed.                                                |
 | `AZURE_ENV_REASONING_MODEL_VERSION`       | string | `2025-04-16`      | Version of the reasoning GPT model to be used for deployment.                                                |
 | `AZURE_ENV_REASONING_MODEL_CAPACITY`       | int | `50`      | Sets the reasoning GPT model capacity.                                                |
-| `AZURE_ENV_IMAGETAG`            | string | `latest_v4`          | Docker image tag used for container deployments.                                                   |
+| `AZURE_ENV_IMAGE_TAG`            | string | `latest_v4`          | Docker image tag used for container deployments.                                                   |
 | `AZURE_ENV_ENABLE_TELEMETRY`    | bool   | `true`            | Enables telemetry for monitoring and diagnostics.                                                  |
 | `AZURE_EXISTING_AIPROJECT_RESOURCE_ID`          | string | `<Existing Workspace Id>`          | Set this if you want to reuse an AI Foundry Project instead of creating a new one.                                                |       
 | `AZURE_ENV_EXISTING_LOG_ANALYTICS_WORKSPACE_RID` | string  | Guide to get your [Existing Workspace ID](re-use-log-analytics.md) | Set this if you want to reuse an existing Log Analytics Workspace instead of creating a new one.     |