diff --git a/reflect/protoreflect/value_union.go b/reflect/protoreflect/value_union.go
index ca8e28c5..08e5ef73 100644
--- a/reflect/protoreflect/value_union.go
+++ b/reflect/protoreflect/value_union.go
@@ -54,11 +54,11 @@ import (
 //	// Append a 0 to a "repeated int32" field.
 //	// Since the Value returned by Mutable is guaranteed to alias
 //	// the source message, modifying the Value modifies the message.
-//	message.Mutable(fieldDesc).(List).Append(protoreflect.ValueOfInt32(0))
+//	message.Mutable(fieldDesc).List().Append(protoreflect.ValueOfInt32(0))
 //
 //	// Assign [0] to a "repeated int32" field by creating a new Value,
 //	// modifying it, and assigning it.
-//	list := message.NewField(fieldDesc).(List)
+//	list := message.NewField(fieldDesc).List()
 //	list.Append(protoreflect.ValueOfInt32(0))
 //	message.Set(fieldDesc, list)
 //	// ERROR: Since it is not defined whether Set aliases the source,