Fix typo on debounce operator impl

Author: niwinz

src/beicon/v2/ops.cljs

@@ -218,7 +218,7 @@
   "Emits an item from the source Observable after a
   particular timespan has passed without the Observable
   omitting any other items."
-  rx/debunceTime)
+  rx/debounceTime)
 
 (def ^function sample
   "Samples the observable sequence at each interval."