diff --git a/homeassistant/helpers/script.py b/homeassistant/helpers/script.py
index 93d04d5f6dfbf7..f39d358dc6d1f8 100644
--- a/homeassistant/helpers/script.py
+++ b/homeassistant/helpers/script.py
@@ -662,7 +662,7 @@ async def _async_call_service_step(self):
             self._hass, self._action, self._variables
         )
 
-        # Validate response data paraters. This check ignores services that do
+        # Validate response data parameters. This check ignores services that do
         # not exist which will raise an appropriate error in the service call below.
         response_variable = self._action.get(CONF_RESPONSE_VARIABLE)
         return_response = response_variable is not None