diff --git a/homeassistant/components/alarm_control_panel/ifttt.py b/homeassistant/components/alarm_control_panel/ifttt.py
index 5303c24876e..7bdc1ccd9d9 100644
--- a/homeassistant/components/alarm_control_panel/ifttt.py
+++ b/homeassistant/components/alarm_control_panel/ifttt.py
@@ -93,7 +93,7 @@ def setup_platform(hass, config, add_devices, discovery_info=None):
 
 
 class IFTTTAlarmPanel(alarm.AlarmControlPanel):
-    """Representation of an alarm control panel controlled throught IFTTT."""
+    """Representation of an alarm control panel controlled through IFTTT."""
 
     def __init__(self, name, code, event_away, event_home, event_night,
                  event_disarm, optimistic):
diff --git a/homeassistant/components/climate/nest.py b/homeassistant/components/climate/nest.py
index e5c21158acb..d11f6890a7b 100644
--- a/homeassistant/components/climate/nest.py
+++ b/homeassistant/components/climate/nest.py
@@ -179,7 +179,7 @@ class NestThermostat(ClimateDevice):
         try:
             self.device.target = temp
         except nest.nest.APIError:
-            _LOGGER.error("An error occured while setting the temperature")
+            _LOGGER.error("An error occurred while setting the temperature")
 
     def set_operation_mode(self, operation_mode):
         """Set operation mode."""
diff --git a/homeassistant/components/device_tracker/ubus.py b/homeassistant/components/device_tracker/ubus.py
index c75529655f4..dd12df7b070 100644
--- a/homeassistant/components/device_tracker/ubus.py
+++ b/homeassistant/components/device_tracker/ubus.py
@@ -95,7 +95,7 @@ class UbusDeviceScanner(DeviceScanner):
         return self.last_results
 
     def _generate_mac2name(self):
-        """Return empty MAC to name dict. Overriden if DHCP server is set."""
+        """Return empty MAC to name dict. Overridden if DHCP server is set."""
         self.mac2name = dict()
 
     @_refresh_on_access_denied
diff --git a/homeassistant/components/remote/xiaomi_miio.py b/homeassistant/components/remote/xiaomi_miio.py
index b71eb2cb447..e731d421e69 100644
--- a/homeassistant/components/remote/xiaomi_miio.py
+++ b/homeassistant/components/remote/xiaomi_miio.py
@@ -138,7 +138,7 @@ def async_setup_platform(hass, config, async_add_devices, discovery_info=None):
         while (utcnow() - start_time) < timedelta(seconds=timeout):
             message = yield from hass.async_add_job(
                 device.read, slot)
-            _LOGGER.debug("Message recieved from device: '%s'", message)
+            _LOGGER.debug("Message received from device: '%s'", message)
 
             if 'code' in message and message['code']:
                 log_msg = "Received command is: {}".format(message['code'])
diff --git a/homeassistant/components/smappee.py b/homeassistant/components/smappee.py
index 0111e0437fb..1241679770b 100644
--- a/homeassistant/components/smappee.py
+++ b/homeassistant/components/smappee.py
@@ -264,7 +264,7 @@ class Smappee(object):
         return True
 
     def active_power(self):
-        """Get sum of all instantanious active power values from local hub."""
+        """Get sum of all instantaneous active power values from local hub."""
         if not self.is_local_active:
             return
 
diff --git a/tests/components/homekit/test_accessories.py b/tests/components/homekit/test_accessories.py
index 4d230b81686..6599ec83335 100644
--- a/tests/components/homekit/test_accessories.py
+++ b/tests/components/homekit/test_accessories.py
@@ -153,13 +153,13 @@ class TestAccessories(unittest.TestCase):
     def test_home_driver(self):
         """Test HomeDriver class."""
         bridge = HomeBridge(None)
-        ip_adress = '127.0.0.1'
+        ip_address = '127.0.0.1'
         port = 51826
         path = '.homekit.state'
 
         with patch('pyhap.accessory_driver.AccessoryDriver.__init__') \
                 as mock_driver:
-            HomeDriver(bridge, ip_adress, port, path)
+            HomeDriver(bridge, ip_address, port, path)
 
         self.assertEqual(
-            mock_driver.call_args, call(bridge, ip_adress, port, path))
+            mock_driver.call_args, call(bridge, ip_address, port, path))