fix typo

ButtonEvent.h

@@ -5,7 +5,7 @@ class ButtonEvent {
     enum press_t{shortPress, longPress, veryLongPress};
 	enum button_t{button1, button2};
 
-    ButtonEvent(press_t type = shortPress, button_t source = button1)   // inline constructor an use initilizer list (-8 bytes in .text)
+    ButtonEvent(press_t type = shortPress, button_t source = button1)   // inline constructor and use initilizer list (-8 bytes in .text)
     : typeId{type}, sourceId{source}
     {}