diff --git a/_sips/sips/2014-06-27-42.type.md b/_sips/sips/2014-06-27-42.type.md
index 2b5ce23fd5..63273e35bf 100644
--- a/_sips/sips/2014-06-27-42.type.md
+++ b/_sips/sips/2014-06-27-42.type.md
@@ -99,7 +99,7 @@ Lightbend Scala compiler.
   ```
   def wide[T](t: T): T = t
   wide(13)                           // result is 13: Int
-  def narrow[T <: Singleton](t: T): T = t
+  def narrow[T <: Singleton](t: T): T {} = t
   narrow(23)                         // result is 23: 23
   ```
 
@@ -471,7 +471,7 @@ applications which work with large datasets.
   ```
   def wide[T](t: T): T = t
   wide(13)                           // result is 13: Int
-  def narrow[T <: Singleton](t: T): T = t
+  def narrow[T <: Singleton](t: T): T {} = t
   narrow(23)                         // result is 23: 23
   ```