typo fix

reflex/components/component.py

@@ -287,7 +287,7 @@ def __init__(self, *args, **kwargs):
             if key.startswith("on_") and key not in triggers:
                 raise ValueError(
                     f"The {(comp_name := type(self).__name__)} does not take in an `{key}` event trigger. If {comp_name}"
-                    f" is a third party component make sure to define `{key}` as an event trigger. "
+                    f" is a third party component make sure to add `{key}` to the component's event triggers. "
                     f"visit https://reflex.dev/docs/wrapping-react/logic#event-triggers for more info."
                 )
             if key in triggers: