diff --git a/doc/tutorial/ApiType.lhs b/doc/tutorial/ApiType.lhs
index 096903e8..3aa4c844 100644
--- a/doc/tutorial/ApiType.lhs
+++ b/doc/tutorial/ApiType.lhs
@@ -319,8 +319,8 @@ Which is used like so:
 
 ``` haskell
 type ProtectedAPI12
-     = UserAPI                             -- this is public
- :<|> BasicAuth "my-real" User :> UserAPI2 -- this is protected by auth
+     = UserAPI                              -- this is public
+ :<|> BasicAuth "my-realm" User :> UserAPI2 -- this is protected by auth
 ```
 
 ### Interoperability with `wai`: `Raw`