Referenced Parameter Name in Link Definition Example is Case Sensitive (OAI#2877)

Author: zanbaldwin

versions/3.1.1.md

@@ -2082,7 +2082,7 @@ paths:
               operationId: getUserAddress
               parameters:
                 # get the `id` field from the request path parameter named `id`
-                userId: $request.path.id
+                userid: $request.path.id
   # the path item of the linked operation
   /users/{userid}/address:
     parameters: