diff --git a/layers/transportation/etl_diagram.png b/layers/transportation/etl_diagram.png
index 2593ca3..6fd3c88 100644
Binary files a/layers/transportation/etl_diagram.png and b/layers/transportation/etl_diagram.png differ
diff --git a/layers/transportation/layer.sql b/layers/transportation/layer.sql
index 9da7f96..d74ad55 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 |<z4> z4 |<z5z6> z5-z6 |<z7> z7 |<z8> z8 |<z9z10> z9-z10 |<z11> z11 |<z12> z12|<z13> z13|<z14_> z14+" ] ;
+-- etldoc:     label="<sql> layer_transportation |<z4> z4 |<z5> z5 |<z6> z6 |<z7> z7 |<z8> z8 |<z9z10> z9-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, ramp int, oneway int, brunnel TEXT, service TEXT) AS $$
     SELECT
diff --git a/layers/transportation/merge_highways.sql b/layers/transportation/merge_highways.sql
index 138320c..3dd1a4f 100644
--- a/layers/transportation/merge_highways.sql
+++ b/layers/transportation/merge_highways.sql
@@ -15,8 +15,6 @@ DROP TRIGGER IF EXISTS trigger_refresh ON transportation.updates;
 -- Because this works well for roads that do not have relations as well
 
 
--- etldoc: osm_highway_linestring ->  osm_transportation_merge_linestring
-
 -- Improve performance of the sql in transportation_name/network_type.sql
 CREATE INDEX IF NOT EXISTS osm_highway_linestring_highway_idx
   ON osm_highway_linestring(highway);
@@ -26,6 +24,7 @@ CREATE INDEX IF NOT EXISTS osm_highway_linestring_highway_partial_idx
   ON osm_highway_linestring(highway)
   WHERE highway IN ('motorway','trunk', 'primary');
 
+  -- etldoc: osm_highway_linestring ->  osm_transportation_merge_linestring
 CREATE MATERIALIZED VIEW osm_transportation_merge_linestring AS (
     SELECT
         (ST_Dump(geometry)).geom AS geometry,
diff --git a/layers/transportation_name/etl_diagram.png b/layers/transportation_name/etl_diagram.png
index 79a5650..91c2d99 100644
Binary files a/layers/transportation_name/etl_diagram.png and b/layers/transportation_name/etl_diagram.png differ