Add missing asterisk (*)

Author: OskarStark

components/event_dispatcher.rst

@@ -86,7 +86,7 @@ The unique event name can be any string, but optionally follows a few simple
 naming conventions:
 
 * Use only lowercase letters, numbers, dots (``.``) and underscores (``_``);
-* Prefix names with a namespace followed by a dot (e.g. ``order.``, ``user.*``);
+* Prefix names with a namespace followed by a dot (e.g. ``order.*``, ``user.*``);
 * End names with a verb that indicates what action has been taken (e.g.
   ``order.placed``).