diff --git a/libraries/Bot.Builder.Community.Middleware.AzureAdAuthentication/README.md b/libraries/Bot.Builder.Community.Middleware.AzureAdAuthentication/README.md
index 526ee198..1c9d8d76 100644
--- a/libraries/Bot.Builder.Community.Middleware.AzureAdAuthentication/README.md
+++ b/libraries/Bot.Builder.Community.Middleware.AzureAdAuthentication/README.md
@@ -50,7 +50,7 @@ public class InMemoryAuthTokenStorage : IAuthTokenStorage
 
     public void SaveConfiguration(ConversationAuthToken token)
     {
-        InMemoryDictionary[state.Id] = token;
+        InMemoryDictionary[token.Id] = token;
     }
 }
 ```