diff --git a/incomfortclient/__init__.py b/incomfortclient/__init__.py
index 6f0896b..351861e 100644
--- a/incomfortclient/__init__.py
+++ b/incomfortclient/__init__.py
@@ -39,12 +39,12 @@ class DiplayCode(IntEnum):
 
     UNKNOWN = -1
     OPENTHERM = 0
-    BOILET_EXT = 15
+    BOILER_EXT = 15
     FROST = 24
-    CENNTRAL_HEATING_RF = 37
+    CENTRAL_HEATING_RF = 37
     TAPWATER_INT = 51
     SENSOR_TEST = 85
-    CENNTRAL_HEATING = 102
+    CENTRAL_HEATING = 102
     STANDBY = 126
     POSTRUN_BOYLER = 153
     SERVICE = 170