diff --git a/libraries/ashrae/guideline36/4.10-chilled-water-plant.ttl b/libraries/ashrae/guideline36/4.10-chilled-water-plant.ttl
index 247c9200c..41584859a 100644
--- a/libraries/ashrae/guideline36/4.10-chilled-water-plant.ttl
+++ b/libraries/ashrae/guideline36/4.10-chilled-water-plant.ttl
@@ -126,7 +126,7 @@
     # Temperature and relative humidity sensors are necessary for calculating wet bulb temperature for waterside
     # economizer sequences. Sensors are optional for plants without waterside economizers.
     sh:property [
-        dfs:label "Outdoor Air Temperature" ;
+        rdfs:label "Outdoor Air Temperature" ;
         sh:path brick:hasPoint ;
         sh:qualifiedValueShape [ sh:class brick:Outside_Air_Temperature_Sensor ] ;
         sh:qualifiedMinCount 0 ;
@@ -252,7 +252,7 @@
     # Temperature and relative humidity sensors are necessary for calculating wet bulb temperature for waterside
     # economizer sequences. Sensors are optional for plants without waterside economizers.
     sh:property [
-        dfs:label "Outdoor Air Temperature" ;
+        rdfs:label "Outdoor Air Temperature" ;
         sh:path brick:hasPoint ;
         sh:qualifiedValueShape [ sh:class brick:Outside_Air_Temperature_Sensor ] ;
         sh:qualifiedMinCount 0 ;