Update README.md

Signed-off-by: Inbar Gazit <inbar.gazit@docusign.com>

Author: InbarGazit

README.md

@@ -77,7 +77,7 @@ For a list of code examples that use the Web Forms API, see the [How-to guides o
 ### Prerequisites
 **Note:** If you downloaded this code using [Quickstart](https://developers.docusign.com/docs/esign-rest-api/quickstart/) from the Docusign Developer Center, skip items 1 and 2 as they were automatically performed for you.
 
-1. A free [Docusign developer account](https://go.docusign.com/o/sandbox/); create one if you don't already have one.
+1. A free [Docusign developer account](https://www.docusign.com/developers/sandbox); create one if you don't already have one.
 1. A Docusign app and integration key that is configured to use either [Authorization Code Grant](https://developers.docusign.com/platform/auth/authcode/) or [JWT Grant](https://developers.docusign.com/platform/auth/jwt/) authentication.
 
    This [video](https://www.youtube.com/watch?v=eiRI4fe5HgM) demonstrates how to obtain an integration key.