Update README.md

Author: abhidnya13

README.md

@@ -110,7 +110,7 @@ As a first step you'll need to:
    - Click the **Add a permission** button and then,
    - Ensure that the **Microsoft APIs** tab is selected
    - In the *Commonly used Microsoft APIs* section, click on **Microsoft Graph**
-   - In the **Delegated permissions** section, ensure that the right permissions are checked: **User.Read**. Use the search box if necessary.
+   - In the **Delegated permissions** section, ensure that the right permissions are checked: **User.ReadBasic.All**. Use the search box if necessary.
    - Select the **Add permissions** button
 
 ### Step 3:  Configure the sample to use your Azure AD tenant