Update events.md

Author: TatriX

crate/guides/events.md

@@ -70,7 +70,7 @@ keyboard_ev("input", Msg::PutTheHammerDown)
 
 Note that in the examples for input_ev and keyboard_ev, the syntax is simplified since
 we're only passing the field text, and keyboard event respectively to the Msg. The input_ev
-example is Rust shorthand for ```input_ev("input, |text| Msg::NewWords(text)```. If you were
+example is Rust shorthand for ```input_ev("input", |text| Msg::NewWords(text))```. If you were
 to pass something other than, or more than just the input text (Or KeyboardEvent for keyboard_ev, 
 or Event for raw_ev described below),
 you can't use this shorthand, and would have to do something like this intead,