diff --git a/homeassistant/components/modbus.py b/homeassistant/components/modbus.py
index 90a0929e6c0..4f46915d870 100644
--- a/homeassistant/components/modbus.py
+++ b/homeassistant/components/modbus.py
@@ -97,5 +97,5 @@ def setup(hass, config):
 
     hass.bus.listen_once(EVENT_HOMEASSISTANT_START, start_modbus)
 
-    # Tells the bootstrapper that the component was succesfully initialized
+    # Tells the bootstrapper that the component was successfully initialized
     return True