Add a trailing slash in DocuSign's development issuer

src/OpenIddict.Client.WebIntegration/OpenIddictClientWebIntegrationHandlers.cs

@@ -348,7 +348,7 @@ public static partial class OpenIddictClientWebIntegrationHandlers
                 }
 
                 // Note: the shop domain extracted from the redirection request is not used by OpenIddict (that stores
-                // the shop name in the state token, but it can be resolved and used by the developers in their own code.
+                // the shop name in the state token), but it can be resolved and used by the developers in their own code.
                 //
                 // To ensure the value is correct, it is compared to the shop name stored in the state token: if
                 // the two don't match, the request is automatically rejected to prevent a potential mixup attack.

src/OpenIddict.Client.WebIntegration/OpenIddictClientWebIntegrationProviders.xml

@@ -513,8 +513,8 @@
 
   <Provider Name="DocuSign" Id="3133a058-b516-4d21-be9a-96c62fff7862"
             Documentation="https://developers.docusign.com/platform/auth/authcode/authcode-get-token/">
-    <Environment Name="Production"  Issuer="https://account.docusign.com/" />
+    <Environment Name="Production"  Issuer="https://account.docusign.com/"   />
-    <Environment Name="Development" Issuer="https://account-d.docusign.com" />
+    <Environment Name="Development" Issuer="https://account-d.docusign.com/" />
   </Provider>
 
   <!--