diff --git a/layers/poi/class.sql b/layers/poi/class.sql
index 136df3b..6f87bc6 100644
--- a/layers/poi/class.sql
+++ b/layers/poi/class.sql
@@ -52,11 +52,11 @@ SELECT CASE class
            WHEN 'florist' THEN 750
            WHEN 'dog_park' THEN 800
            WHEN 'pitch' THEN 800
-           when 'power_tower' then 900
-           when 'wind_mill' then 900
-           when 'water_tower' then 900
-           when 'communications_tower' then 900
-           when 'wind_turbine' then 900
+           WHEN 'power_tower' then 900
+           WHEN 'wind_mill' then 900
+           WHEN 'water_tower' then 900
+           WHEN 'communications_tower' then 900
+           WHEN 'wind_turbine' then 900
            ELSE 1000
            END;
 $$ LANGUAGE SQL IMMUTABLE
diff --git a/layers/poi/poi.yaml b/layers/poi/poi.yaml
index 3bb7d41..8f0f3c8 100644
--- a/layers/poi/poi.yaml
+++ b/layers/poi/poi.yaml
@@ -139,7 +139,7 @@ layer:
         wind_mill:
           subclass: ['wind_mill']
         power_tower:
-          subclasss: ['tower']
+          subclass: ['tower']
     subclass:
       description: |
           Original value of either the