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README.md

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-| <img src="./3-Authorization-II/1-call-api/ReadmeFiles/topology_callapi.png" width="200"> | [**Protect and call a web API on Azure AD**](3-Authorization-II/1-call-api) </br> Protect your web API with the **Azure AD**. Use a client application to sign-in a user, acquire an **Access Token** for your web API and call your protected Web API. |
+| <img src="./3-Authorization-II/1-call-api/ReadmeFiles/topology_callapi.png" width="200"> | [**Protect and call a web API on Azure AD**](./3-Authorization-II/1-call-api) </br> Protect your web API with the **Azure AD**. Use a client application to sign-in a user, acquire an **Access Token** for your web API and call your protected Web API. |
 | <img src="./3-Authorization-II/2-call-api-b2c/ReadmeFiles/topology_b2c_callapi.png" width="200"> | [**Protect and call a web API on Azure AD B2C**](./3-Authorization-II/2-call-api-b2c) </br> Protect your web API with **Azure AD B2C**. Use a client application to sign-in a user, acquire an **Access Token** for your web API and call your protected web API. |
 
 ### Chapter 4: Call Microsoft Graph from your protected API on behalf-of a signed-in user