fix: ref to wg draft build preview

Author: peppelinux

README.md

@@ -13,9 +13,8 @@ For further information and to get involved, please visit the [OpenID Connect Wo
 
 ### Current WG-Draft
 
-The current WG-Draft version is built automatically from the master branch and can be accessed at: https://openid.github.io/OpenID4VCI/openid-4-verifiable-credential-issuance-wg-draft.html
+The current WG-Draft version is built automatically from the main branch and can be accessed at: https://peppelinux.github.io/openid-federation-4-wallet-architectures/openid-federation-4-wallet-architectures-1_0-wg-draft.html
 
-Other versions of the spec can be accessed at: https://openid.net/sg/openid4vc/specifications/
 
 ### Build the HTML ###