Update Background.md

docsSrc/Explanations/Background.md

@@ -13,10 +13,11 @@ Where a standard list (IEnumerable) is pull-based, IObservable is a push-based (
 If Nullable is just "a list of 0 or 1", then async-await could be just an IObservable of 0 or 1.
 
 There are many advantages of using reactive programming and Rx:
-  - Manual thread/lock -handling can be avoided
-  - No temporary class variables to capture the current or some previous state 
-  - Testing is easy: generate lists like they would be event-lists. 
-  - Testing the wrong async event order is easy. 
-  - Also, testing long-duration workflows is easy as you can "fake" time passing
+
+ - Manual thread/lock -handling can be avoided
+ - No temporary class variables to capture the current or some previous state 
+ - Testing is easy: generate lists like they would be event-lists. 
+ - Testing the wrong async event order is easy. 
+ - Also, testing long-duration workflows is easy as you can "fake" time passing
 
 It's always good to have alternatives, and if R3 is your alternative to Rx, then `FSharp.Control.R3` is your F# wrapper, like `FSharp.Control.Reactive` F#.