diff --git a/layers/transportation/layer.sql b/layers/transportation/layer.sql
index 0ce42708..659033b2 100644
--- a/layers/transportation/layer.sql
+++ b/layers/transportation/layer.sql
@@ -4,7 +4,7 @@ $$ LANGUAGE SQL IMMUTABLE STRICT;
 
 
 -- etldoc: layer_transportation[shape=record fillcolor=lightpink, style="rounded,filled",
--- etldoc:     label="<sql> layer_transportation |<z4z7> z4-z7 |<z8> z8 |<z9> z9 |<z10> z10 |<z11> z11 |<z12> z12|<z13> z13|<z14_> z14_" ] ;
+-- etldoc:     label="<sql> layer_transportation |<z4z6> z4-z6 |<z7z8> z7-z8 |<z9> z9 |<z10> z10 |<z11> z11 |<z12> z12|<z13> z13|<z14_> z14+" ] ;
 CREATE OR REPLACE FUNCTION layer_transportation(bbox geometry, zoom_level int)
 RETURNS TABLE(osm_id bigint, geometry geometry, class text, subclass text, ramp int, oneway int, brunnel TEXT, service TEXT) AS $$
     SELECT