diff --git a/preserves-schema.md b/preserves-schema.md
index 5f7d8cc..4e849d1 100644
--- a/preserves-schema.md
+++ b/preserves-schema.md
@@ -188,6 +188,11 @@ number or boolean:
                / Ref
                / LiteralPattern  -- with a side condition
 
+A host language will likely use the same ordering of its types as
+specified by the schema. It is therefore recommended to specify first
+the alternative best suited as a default initialization value (if
+there is any).
+
 ### Intersection definitions.
 
     AndPattern = NamedPattern "&" NamedPattern *("&" NamedPattern)