diff --git a/README.md b/README.md
index 4152bf3..6fcf4be 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ They fixed the disclaimer, it is now just a release of liability, county confirm
 
 `street_num` -> `addr:housenumber`
 
-`formatstreet(concat(street_nam, ' ', street_typ))`
+`formatstreet(concat(prefix_dir, ' ', street_nam, ' ', street_typ, ' ', suffix_dir, '', prefix_typ))`
 ->
 `addr:street`