diff --git a/typechecker/en/modules/typesystem.xml b/typechecker/en/modules/typesystem.xml
index 1055cbc44c1..00e9bc290a3 100644
--- a/typechecker/en/modules/typesystem.xml
+++ b/typechecker/en/modules/typesystem.xml
@@ -1891,8 +1891,8 @@ interface NumberLiteral
Any parameter type of the method is a contravariant position.
- Any upper bound of a type parameter of the method is a contravariant
- position.
+ Any upper bound or enumerated bound of a type parameter of the
+ method is a contravariant position.