diff --git a/confluent_server/confluent/plugins/hardwaremanagement/cooltera.py b/confluent_server/confluent/plugins/hardwaremanagement/cooltera.py
index 8e7fd72f..1b89271e 100644
--- a/confluent_server/confluent/plugins/hardwaremanagement/cooltera.py
+++ b/confluent_server/confluent/plugins/hardwaremanagement/cooltera.py
@@ -84,7 +84,7 @@ _thesensors = {
         'ps1': ('Secondary loop return pressure', 'bar'),
         'ps3': ('Primary loop supply pressure', 'bar'),
         'ps2': ('Secondary loop supply pressure', 'bar'),
-        'ps4': ('Primary loop return pressure', 'bar'),'
+        'ps4': ('Primary loop return pressure', 'bar'),
     },
 }