Update README.md

Author: Roopan-Microsoft

README.md

@@ -73,7 +73,7 @@ When you start the deployment, most parameters will have **default values**, but
 
 | **Setting** | **Description** |  **Default value** |
 |------------|----------------|  ------------|
-| **Azure Region** | The region where resources will be created. | East US| 
+| **Azure Region** | The region where resources will be created. | eastus | 
 | **Environment Name** | A **3-20 character alphanumeric value** used to generate a unique ID to prefix the resources. |  byctemplate |
 | **Secondary Location** | A **less busy** region for **Azure SQL and CosmosDB**, useful in case of availability constraints. |  eastus2 |
 | **Deployment Type** | Select from a drop-down list. |  Global Standard |
@@ -84,8 +84,10 @@ When you start the deployment, most parameters will have **default values**, but
 
 
 ### [Optional] Quota Recommendations  
-By default, the **GPT model capacity** in deployment is set to **30k tokens**.  
-> **We recommend increasing the capacity to 100k tokens for optimal performance.** 
+By default, the **Gpt-4o model capacity** in deployment is set to **30k tokens**, so we recommend
+> **For GPT-4o, the capacity to at least 150k tokens post-deployment for optimal performance.**
+
+> **For GPT-4, ensure a minimum of 30k–40k tokens for best results.**
 
 To adjust quota settings, follow these [steps](./docs/AzureGPTQuotaSettings.md)