Update sopel/bot.py

Co-authored-by: dgw <[email protected]>

sopel/bot.py

@@ -1037,7 +1037,7 @@ def error(
     ) -> None:
         """Called internally when a plugin causes an error.
 
-        :param trigger: the ``Trigger``\\ing line (if available)
+        :param trigger: the IRC line that caused the error (if available)
         :param exception: the exception raised by the error (if
                                     available)
         """