Fixed typos

pubsub.lua

@@ -31,7 +31,7 @@ end
 
 --subscribe to an event
 --can be a specifically named event, or "everything" to get notified for any event
---for "everything", the callback will recieve the event name as the first argument
+--for "everything", the callback will receive the event name as the first argument
 function pubsub:subscribe(event, callback)
 	local callbacks = self.subscriptions[event]
 	if not callbacks then

timer.lua

@@ -14,7 +14,7 @@ local timer = class({
 })
 
 --create a timer, with optional callbacks
---callbacks recieve as arguments:
+--callbacks receive as arguments:
 --	the current progress as a number from 0 to 1, so can be used for lerps
 --	the timer object, so can be reset if needed
 function timer:new(time, on_progress, on_finish)